gvsig-scripting / org.gvsig.scripting / trunk / org.gvsig.scripting / org.gvsig.scripting.lib / org.gvsig.scripting.lib.impl / src / main / java / org / gvsig / scripting / impl / DefaultScriptingManager.java @ 1020
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package org.gvsig.scripting.impl; |
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|
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import java.io.File; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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|
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import javax.script.ScriptContext; |
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import javax.script.ScriptEngine; |
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import javax.script.ScriptEngineFactory; |
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import javax.script.ScriptEngineManager; |
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import javax.script.SimpleBindings; |
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import javax.swing.ImageIcon; |
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|
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.scripting.ScriptingBaseScript; |
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import org.gvsig.scripting.ScriptingDialog; |
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import org.gvsig.scripting.ScriptingExternalFile; |
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import org.gvsig.scripting.ScriptingFolder; |
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import org.gvsig.scripting.ScriptingManager; |
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import org.gvsig.scripting.ScriptingScript; |
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import org.gvsig.scripting.ScriptingUnit; |
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import org.gvsig.tools.script.Script; |
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import org.gvsig.tools.service.spi.ProviderFactory; |
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import org.python.jsr223.MyPyScriptEngine; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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|
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|
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public class DefaultScriptingManager implements ScriptingManager { |
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|
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public static class RegisterSystemFolder { |
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|
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public String name; |
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public File folder; |
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|
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public RegisterSystemFolder(String name, File folder) { |
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this.name = name;
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this.folder = folder;
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} |
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} |
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|
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static final Logger LOG = LoggerFactory |
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.getLogger(DefaultScriptingManager.class); |
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|
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protected Map<String, ImageIcon> icons; |
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protected List<RegisterSystemFolder> systemFolders = new ArrayList<>(); |
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protected ScriptEngineManager engineManager = null; |
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private final SimpleBindings bindings = new SimpleBindings(); |
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private List<String> unitTypes = null; |
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private ClassLoader classLoader = null; |
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private final List<File> libFolders = new ArrayList<>(); |
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private File home = null; |
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private final List<ScriptingFolder> alternativeUserFolders = new ArrayList<>(); |
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private Map<String, String> extensionOfLanguage = null; |
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private Map<String, String> languageOfExtension = null; |
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private File packagesFolder; |
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private final Map properties = new HashMap(); |
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private final Map<String,ScriptEngine> engineGroups = new HashMap<>(); |
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|
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@SuppressWarnings({"OverridableMethodCallInConstructor", "LeakingThisInConstructor"}) |
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public DefaultScriptingManager() {
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this.classLoader = getClass().getClassLoader();
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this.setHomeFolder(null); |
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this.bindings.put("ScriptingManager", this); |
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} |
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public DefaultScriptingManager(ClassLoader classLoader) { |
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this();
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this.classLoader = classLoader;
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} |
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@Override
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public Object getProperty(Object key) { |
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return properties.get(key);
|
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} |
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|
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@Override
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public void setProperty(Object key, Object val) { |
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properties.put(key, val); |
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} |
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|
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@Override
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public Map getExtendedProperties() { |
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return properties;
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} |
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|
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private void createFolder(File f) { |
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if (!f.exists()) {
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try {
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FileUtils.forceMkdir(f); |
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LOG.info("Created scripting folder '" + f.getAbsolutePath() + "'"); |
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} catch (Throwable e) { |
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LOG.warn("Can't Create scripting folder '" + f.getAbsolutePath() + "'"); |
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} |
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} |
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} |
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|
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private void createDefaultFolders(File home) { |
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createFolder(new File(home, "scripts")); |
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createFolder(new File(home, "lib")); |
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createFolder(new File(home, "data")); |
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} |
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|
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@Override
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public File getHomeFolder() { |
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if (!this.home.exists()) { |
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createFolder(home); |
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createDefaultFolders(home); |
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} |
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return this.home; |
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} |
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|
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@Override
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public void setHomeFolder(File home) { |
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if (home == null) { |
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this.home = new File(System.getProperty("user.home"), ".gvsig-scripting"); |
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} else {
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this.home = home;
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} |
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createDefaultFolders(this.home);
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LOG.info("Set scripting home to '" + this.home.getAbsolutePath() + "'"); |
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this.addLibFolder(new File(this.home, "lib")); |
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} |
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@Override
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public File getDataFolder(String id) { |
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File f = FileUtils.getFile(getHomeFolder(), "data",id); |
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createFolder(f); |
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return f;
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} |
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protected synchronized ScriptEngineManager getEngineManager() { |
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if (this.engineManager == null) { |
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this.engineManager
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= classLoader == null ? new ScriptEngineManager() |
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: new ScriptEngineManager(classLoader);
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showEnginesInfo(engineManager); |
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} |
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return this.engineManager; |
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} |
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private void showEnginesInfo(ScriptEngineManager mgr) { |
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if (LOG.isInfoEnabled()) {
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List<ScriptEngineFactory> factories = mgr.getEngineFactories();
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StringBuilder buffer = new StringBuilder(); |
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List<Object> values = new ArrayList<>(); |
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buffer.append("Scripting engines available:");
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for (ScriptEngineFactory factory : factories) {
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// Main engine info
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buffer |
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.append("\n- {}: version = {}, language = {}, langVersion = {}");
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values.add(factory.getEngineName()); |
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values.add(factory.getEngineVersion()); |
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values.add(factory.getLanguageName()); |
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values.add(factory.getLanguageVersion()); |
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|
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// Aliases
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buffer.append("\n\t- Aliases: ");
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List<String> engNames = factory.getNames(); |
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int size = engNames.size();
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for (String name : engNames) { |
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size--; |
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buffer.append("{}");
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if (size > 0) { |
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buffer.append(", ");
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} |
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values.add(name); |
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} |
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buffer.append("\n\t- File extensions: ");
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List<String> extNames = factory.getExtensions(); |
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size = extNames.size(); |
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for (String name : extNames) { |
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size--; |
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buffer.append("{}");
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if (size > 0) { |
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buffer.append(", ");
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} |
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values.add(name); |
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} |
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buffer.append("\n\t- Mime types: ");
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List<String> mimeNames = factory.getMimeTypes(); |
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size = mimeNames.size(); |
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for (String name : mimeNames) { |
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size--; |
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buffer.append("{}");
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if (size > 0) { |
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buffer.append(", ");
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} |
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values.add(name); |
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} |
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} |
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LOG.info(buffer.toString(), values.toArray()); |
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} |
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} |
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@Override
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public synchronized void loadEngines() { |
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this.getEngineManager();
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} |
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private ScriptEngine createJythonEngine() {
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ScriptEngineFactory factory = this.getEngineFactoryByLanguage(PYTHON_LANGUAGE_NAME);
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ScriptEngine engine = new MyPyScriptEngine(factory);
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return engine;
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} |
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|
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public ImageIcon getIcon(String name) { |
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return this.icons.get(name); |
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} |
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@Override
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public String getEngineNameByLanguage(String langName) { |
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ScriptEngineFactory factory = this.getEngineFactoryByLanguage(langName);
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if( factory == null ) { |
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return null; |
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} |
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return factory.getEngineName();
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} |
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public ScriptEngine getEngineByLanguage(String langName) { |
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return this.getEngineByLanguage(langName, null); |
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} |
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public synchronized ScriptEngine getEngineByLanguage(String langName, String isolationGroup) { |
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ScriptEngine engine = null;
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if( !StringUtils.isEmpty(isolationGroup) ) {
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isolationGroup += "-" + langName;
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engine = this.engineGroups.get(isolationGroup.toLowerCase());
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} |
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if( engine == null ) { |
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if( PYTHON_LANGUAGE_NAME.equalsIgnoreCase(langName) ) {
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engine = createJythonEngine(); |
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} else {
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ScriptEngineFactory factory = this.getEngineFactoryByLanguage(langName);
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if( factory == null ) { |
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return null; |
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} |
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engine = factory.getScriptEngine(); |
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} |
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// if( SCALA_LANGUAGE_NAME.equalsIgnoreCase(langName) ) {
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// try {
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// // https://gist.github.com/takawitter/5479445
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// Object settings = engine.getClass().getMethod("settings", new Class[0]).invoke(engine, new Object[0]);
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// settings.getClass().getMethod("processArgumentString", new Class[] { String.class }).invoke(settings, new String[] { "-usejavacp"});
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// } catch(Throwable th) {
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// LOG.warn("Can't initialice scala setting -usejavacp",th);
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// }
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// }
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if( !StringUtils.isEmpty(isolationGroup) ) {
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this.engineGroups.put(isolationGroup.toLowerCase(), engine);
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} |
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} |
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engine.getBindings(ScriptContext.ENGINE_SCOPE).putAll(bindings); |
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return engine;
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} |
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@Override
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public synchronized Set<String> getEnginesIsolationGroups() { |
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return this.engineGroups.keySet(); |
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} |
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public ScriptEngineFactory getEngineFactoryByLanguage(String langName) { |
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List<ScriptEngineFactory> factories
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= getEngineManager().getEngineFactories(); |
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for (ScriptEngineFactory factory : factories) {
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if (factory.getLanguageName().equalsIgnoreCase(langName)) {
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return factory;
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} |
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} |
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return null; |
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} |
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@Override
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public boolean validateUnitId(ScriptingFolder folder, String id) { |
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File f = new File(folder.getFile(),id+".inf"); |
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return !f.exists();
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} |
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public ScriptingScript createScript(ScriptingFolder folder, String id) { |
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return this.createScript(folder, id, null); |
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} |
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@Override
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public Script createScript(String name, String code, String languaje) { |
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ScriptingScript script = new DefaultScriptingScript(this.getUserFolder(), this, name); |
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script.setCode(code); |
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script.setSaved(true);
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return script;
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} |
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private ScriptingScript createScript(ScriptingFolder folder, String id, String language) { |
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DefaultScriptingScript script = new DefaultScriptingScript(folder, this, id); |
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if (!script.getFile().exists()) {
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script.create(folder, id, language); |
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} else {
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script.load(folder, id); |
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} |
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return script;
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} |
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public ScriptingDialog createDialog(ScriptingFolder folder, String id) { |
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return this.createDialog(folder, id, null); |
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} |
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private ScriptingDialog createDialog(ScriptingFolder folder, String id, String language) { |
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DefaultScriptingDialog dialog = new DefaultScriptingDialog(folder, this, id); |
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if (!dialog.getFile().exists()) {
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dialog.create(folder, id, language); |
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} else {
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dialog.load(folder, id); |
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} |
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return dialog;
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} |
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public ScriptingFolder createFolder(ScriptingFolder folder, String id) { |
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DefaultScriptingFolder unit = new DefaultScriptingFolder(folder, this, new File(folder.getFile(), id)); |
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unit.load(folder, id); |
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if (!unit.getFile().exists()) {
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unit.create(folder, id); |
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} |
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return unit;
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} |
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public ScriptingExternalFile createExternalFile(ScriptingFolder folder, String id) { |
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DefaultScriptingExternalFile unit = new DefaultScriptingExternalFile(folder, this, id); |
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if( unit.getExternalFile()!=null && !unit.getExternalFile().exists() ) { |
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unit.create(folder, id); |
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} |
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return unit;
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} |
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@Override
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public ScriptingBaseScript getScript(File file) { |
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ScriptingBaseScript script = (ScriptingBaseScript) this.getUnit(file);
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if (script == null) { |
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throw new ScriptNotFoundException(file); |
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} |
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return script;
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} |
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|
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@Override
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public ScriptingFolder getFolder(File file) { |
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if( file == null ) { |
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throw new IllegalArgumentException("file argument can't be null"); |
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} |
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file = this.getLinkSource(file);
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if( FileUtils.isSameFile(this.getRootUserFolder(),file) ) { |
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return this.getUserFolder(); |
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} |
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ScriptingFolder folder = (ScriptingFolder) this.getUnit(file);
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if (folder == null) { |
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throw new IllegalArgumentException("Can't get ScriptFolder from '"+file.getAbsolutePath()+"'."); |
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} |
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return folder;
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} |
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public ScriptingUnit getUnit(File file) { |
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ScriptingFolder folder; |
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ScriptingUnit unit; |
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|
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if (file.isAbsolute()) {
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folder = new DefaultScriptingFolder(null, this, file.getParentFile()); |
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unit = folder.getUnit(file); |
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return unit;
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} else {
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folder = this.getUserFolder();
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unit = folder.getUnit(file); |
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if (unit != null) { |
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return unit;
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} |
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|
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folder = this.getSystemFolder();
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unit = folder.getUnit(file); |
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if (unit != null) { |
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return unit;
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} |
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} |
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return null; |
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} |
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|
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@Override
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public ScriptingFolder getSystemFolder() {
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return new SystemFolder(this); |
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} |
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@Override
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public ScriptingFolder getUserFolder() {
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return new UserFolder(this, this.getRootUserFolder()); |
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} |
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|
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@Override
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public ScriptingBaseScript getScript(String name) { |
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return (ScriptingBaseScript) findScript(null, name); |
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} |
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|
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@Override
|
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public Script locateScript(String name) { |
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ScriptingUnit script = findScript(null, name);
|
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if( script instanceof Script ) { |
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return (Script) script;
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} |
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return null; |
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} |
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|
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private ScriptingUnit findScript(ScriptingFolder folder, String name) { |
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if (name == null) { |
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return null; |
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} |
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if (name.trim().length() == 0) { |
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return null; |
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} |
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ScriptingUnit unit; |
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if (folder == null) { |
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unit = findScript(this.getUserFolder(), name);
|
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if (unit != null) { |
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return unit;
|
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} |
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unit = findScript(this.getSystemFolder(), name);
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return unit;
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} |
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List<ScriptingUnit> units = folder.getUnits();
|
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Iterator<ScriptingUnit> it = units.iterator();
|
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while (it.hasNext()) {
|
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unit = it.next(); |
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if (unit instanceof ScriptingFolder) { |
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unit = findScript((ScriptingFolder) unit, name); |
438 |
if (unit != null) { |
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return unit;
|
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} |
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} else if (unit instanceof ScriptingBaseScript) { |
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if (name.equalsIgnoreCase(unit.getId())) {
|
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return unit;
|
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} |
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} |
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} |
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return null; |
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} |
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|
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@Override
|
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public File getRootUserFolder() { |
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return new File(this.getHomeFolder(), "scripts"); |
453 |
} |
454 |
|
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@Override
|
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public void registerSystemFolder(String name, File folder) { |
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this.systemFolders.add(new RegisterSystemFolder(name, folder)); |
458 |
LOG.info("Register system folder name '" + name + "' folder " + folder.getAbsolutePath() + "'"); |
459 |
|
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} |
461 |
|
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public List<RegisterSystemFolder> getSystemFolders() { |
463 |
return this.systemFolders; |
464 |
} |
465 |
|
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@Override
|
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public List<ScriptingFolder> getAlternativeUserFolders() { |
468 |
return this.alternativeUserFolders; |
469 |
} |
470 |
|
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@Override
|
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public void addAlternativeUserFolder(File f, String name, String description) { |
473 |
UserFolder x = new UserFolder(this, f); |
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x.setName(name); |
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x.setDescription(description); |
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x.setId("UserFolder_" + this.alternativeUserFolders.size() + 1); |
477 |
this.alternativeUserFolders.add(x);
|
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} |
479 |
|
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private void initLanguages() { |
481 |
if (this.extensionOfLanguage == null) { |
482 |
Map<String, String> theExtensionOfLanguage = new HashMap<>(); |
483 |
List<ScriptEngineFactory> factories = getEngineManager().getEngineFactories();
|
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for (ScriptEngineFactory factory : factories) {
|
485 |
if( "ognl".equals(factory.getLanguageName()) ) { |
486 |
continue;
|
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} |
488 |
List<String> extensions = factory.getExtensions(); |
489 |
if (extensions != null && !extensions.isEmpty()) { |
490 |
theExtensionOfLanguage.put( |
491 |
factory.getLanguageName().toLowerCase(), |
492 |
extensions.get(0).toLowerCase()
|
493 |
); |
494 |
} |
495 |
} |
496 |
this.extensionOfLanguage = theExtensionOfLanguage;
|
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} |
498 |
if (this.languageOfExtension == null) { |
499 |
Map<String, String> theLanguageOfExtension = new HashMap<>(); |
500 |
List<ScriptEngineFactory> factories = getEngineManager().getEngineFactories();
|
501 |
for (ScriptEngineFactory factory : factories) {
|
502 |
if( "ognl".equals(factory.getLanguageName()) ) { |
503 |
continue;
|
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} |
505 |
List<String> extensions = factory.getExtensions(); |
506 |
if (extensions != null) { |
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for (String extension1 : extensions) { |
508 |
theLanguageOfExtension.put( |
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extension1.toLowerCase(), |
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factory.getLanguageName().toLowerCase() |
511 |
); |
512 |
} |
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} |
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} |
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this.languageOfExtension = theLanguageOfExtension;
|
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} |
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} |
518 |
|
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@Override
|
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public String getExtensionOfLanguage(String langName) { |
521 |
if (langName == null) { |
522 |
return null; |
523 |
} |
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langName = langName.toLowerCase(); |
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initLanguages(); |
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return this.extensionOfLanguage.get(langName); |
527 |
} |
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|
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@Override
|
530 |
public List<String> getSupportedLanguages() { |
531 |
List<String> languages = new ArrayList<>(); |
532 |
|
533 |
initLanguages(); |
534 |
languages.addAll(this.extensionOfLanguage.keySet());
|
535 |
Collections.sort(languages);
|
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return languages;
|
537 |
} |
538 |
|
539 |
public String getLanguageOfExtension(String extension) { |
540 |
if (extension == null) { |
541 |
return null; |
542 |
} |
543 |
extension = extension.toLowerCase(); |
544 |
if (extension.startsWith(".")) { |
545 |
extension = extension.substring(1);
|
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} |
547 |
initLanguages(); |
548 |
return this.languageOfExtension.get(extension); |
549 |
} |
550 |
|
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@Override
|
552 |
public Object get(String key) { |
553 |
return this.bindings.get(key); |
554 |
} |
555 |
|
556 |
@Override
|
557 |
public void put(String key, Object value) { |
558 |
this.bindings.put(key, value);
|
559 |
|
560 |
} |
561 |
|
562 |
@Override
|
563 |
public ScriptingUnit createUnit(String unitType, ScriptingFolder folder, String id) { |
564 |
return createUnit(unitType, folder, id, null); |
565 |
} |
566 |
|
567 |
@Override
|
568 |
public ScriptingUnit createUnit(String unitType, ScriptingFolder folder, String id, String language) { |
569 |
if (unitType.equals(UNIT_SCRIPT)) {
|
570 |
return this.createScript(folder, id, language); |
571 |
} |
572 |
if (unitType.equals(UNIT_DIALOG)) {
|
573 |
return this.createDialog(folder, id, language); |
574 |
} |
575 |
if (unitType.equals(UNIT_FOLDER)) {
|
576 |
return this.createFolder(folder, id); |
577 |
} |
578 |
if (unitType.equals(UNIT_EXTERNALFILE)) {
|
579 |
return this.createExternalFile(folder, id); |
580 |
} |
581 |
return null; |
582 |
} |
583 |
|
584 |
@Override
|
585 |
public List<String> getUnitTypes() { |
586 |
if (this.unitTypes == null) { |
587 |
this.unitTypes = new ArrayList<>(); |
588 |
this.unitTypes.add(UNIT_SCRIPT);
|
589 |
this.unitTypes.add(UNIT_DIALOG);
|
590 |
this.unitTypes.add(UNIT_FOLDER);
|
591 |
this.unitTypes.add(UNIT_EXTERNALFILE);
|
592 |
} |
593 |
return this.unitTypes; |
594 |
} |
595 |
|
596 |
@Override
|
597 |
public void addLibFolder(File lib) { |
598 |
if (lib.exists()) {
|
599 |
LOG.info("Add scripting lib folder '" + lib.getAbsolutePath() + "'"); |
600 |
this.libFolders.add(lib);
|
601 |
} else {
|
602 |
LOG.info("Skip add scripting lib folder '" + lib.getAbsolutePath() + "', folder don't exist"); |
603 |
} |
604 |
} |
605 |
|
606 |
@Override
|
607 |
public List<File> getLibFolders() { |
608 |
return new ArrayList(this.libFolders); |
609 |
} |
610 |
|
611 |
@Override
|
612 |
public Map<String, String> getLibFoldersVersions() { |
613 |
Map<String, String>versions = new HashMap<>(); |
614 |
List<File> folders = this.getLibFolders(); |
615 |
for (File folder : folders) { |
616 |
File parent = folder.getParentFile();
|
617 |
File libVersions = new File(parent,folder.getName()+".versions"); |
618 |
if( libVersions.exists() ) {
|
619 |
this.loadLibVersions(versions, libVersions);
|
620 |
} |
621 |
} |
622 |
if( versions.isEmpty() ) {
|
623 |
return null; |
624 |
} |
625 |
return versions;
|
626 |
} |
627 |
|
628 |
private void loadLibVersions(Map<String,String>versions, File file) { |
629 |
List<String> lines; |
630 |
try {
|
631 |
lines = FileUtils.readLines(file); |
632 |
} catch (IOException ex) { |
633 |
LOG.warn("Can't load lib versions from '"+file+".",ex); |
634 |
return;
|
635 |
} |
636 |
for (String line : lines) { |
637 |
String[] x = line.split("="); |
638 |
if( x.length==2 ) { |
639 |
versions.put(x[0], x[1]); |
640 |
} |
641 |
} |
642 |
} |
643 |
|
644 |
@Override
|
645 |
public ProviderFactory getInstallerFactory() {
|
646 |
return new ScriptingInstallerProviderFactory(); |
647 |
} |
648 |
|
649 |
@Override
|
650 |
public File getPackagesFolder() { |
651 |
return this.packagesFolder; |
652 |
} |
653 |
|
654 |
@Override
|
655 |
public void setPackagesFolder(File folder) { |
656 |
this.packagesFolder = folder;
|
657 |
} |
658 |
|
659 |
@Override
|
660 |
public ScriptingFolder createLink(String name, File link, String targetPathName) { |
661 |
StringBuilder contents = new StringBuilder(); |
662 |
contents.append("[Unit]\n")
|
663 |
.append("type = Folder\n")
|
664 |
.append("name = ").append(name).append("\n") |
665 |
.append("description =\n")
|
666 |
.append("createdBy =\n")
|
667 |
.append("version =\n")
|
668 |
.append("\n")
|
669 |
.append("[Folder]\n")
|
670 |
.append("path =").append(targetPathName).append("\n") |
671 |
.append("\n\n");
|
672 |
|
673 |
if( link.isDirectory() ) {
|
674 |
link = new File(link,name+".inf"); |
675 |
} else if( !link.getName().endsWith(".inf") ) { |
676 |
link = new File( link.getPath() + ".inf"); |
677 |
} |
678 |
if( !link.exists() ) {
|
679 |
try {
|
680 |
FileUtils.writeStringToFile(link, contents.toString()); |
681 |
} catch (IOException ex) { |
682 |
LOG.warn("Can't create ScriptingFolder file in '" + link.getAbsolutePath() + "'.", ex); |
683 |
} |
684 |
} |
685 |
ScriptingFolder folder = this.getFolder(link);
|
686 |
return folder;
|
687 |
} |
688 |
|
689 |
@Override
|
690 |
public ScriptingFolder createLink(String name, ScriptingFolder link, String targetPathName) { |
691 |
return this.createLink(name, link.getFile(), targetPathName); |
692 |
} |
693 |
|
694 |
private final Map<File,File> links = new HashMap<>(); |
695 |
|
696 |
public void addLink(File source, File target) { |
697 |
this.links.put(FileUtils.getRealFile(target), source);
|
698 |
} |
699 |
|
700 |
public File getLinkSource(File target) { |
701 |
File source = this.links.get(FileUtils.getRealFile(target)); |
702 |
if( source == null ) { |
703 |
return target;
|
704 |
} |
705 |
if( source.exists() ) {
|
706 |
return source;
|
707 |
} |
708 |
return target;
|
709 |
} |
710 |
|
711 |
public boolean isInUserFolder(File f) { |
712 |
if( FileUtils.isSubfolder(this.getRootUserFolder(), f) ) { |
713 |
return true; |
714 |
} |
715 |
for( File file : this.links.keySet()) { |
716 |
if( FileUtils.isSubfolder(file, f) ) {
|
717 |
return true; |
718 |
} |
719 |
} |
720 |
return false; |
721 |
} |
722 |
} |