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 @ 952
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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.io.FileUtils; |
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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.ScriptingHelpManager; |
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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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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 ScriptingHelpManager helpManager = null; |
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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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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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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, "help")); |
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createFolder(new File(home, "lib")); |
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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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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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public ImageIcon getIcon(String name) { |
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return this.icons.get(name); |
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} |
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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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if( f.exists() ) {
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return false; |
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} |
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return true; |
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// List<ScriptingUnit> units = folder.getUnits();
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// String fileName;
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// for (ScriptingUnit unit : units) {
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// fileName = unit.getId();
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// fileName = FilenameUtils.getBaseName(fileName);
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// if (fileName.equals(id)) {
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// return false;
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// }
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// }
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// return true;
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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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|
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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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@Override
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public ScriptingFolder getFolder(File file) { |
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ScriptingFolder folder = (ScriptingFolder) this.getUnit(file);
|
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if (folder == null) { |
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throw new RuntimeException(file.getAbsolutePath()); |
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} |
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return folder;
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} |
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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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|
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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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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); |
436 |
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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} |
447 |
|
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@Override
|
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public File getRootUserFolder() { |
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return new File(this.getHomeFolder(), "scripts"); |
451 |
} |
452 |
|
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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)); |
456 |
LOG.info("Register system folder name '" + name + "' folder " + folder.getAbsolutePath() + "'"); |
457 |
|
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} |
459 |
|
460 |
public List<RegisterSystemFolder> getSystemFolders() { |
461 |
return this.systemFolders; |
462 |
} |
463 |
|
464 |
@Override
|
465 |
public List<ScriptingFolder> getAlternativeUserFolders() { |
466 |
return this.alternativeUserFolders; |
467 |
} |
468 |
|
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@Override
|
470 |
public void addAlternativeUserFolder(File f, String name, String description) { |
471 |
UserFolder x = new UserFolder(this, f); |
472 |
x.setName(name); |
473 |
x.setDescription(description); |
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x.setId("UserFolder_" + this.alternativeUserFolders.size() + 1); |
475 |
this.alternativeUserFolders.add(x);
|
476 |
} |
477 |
|
478 |
private void initLanguages() { |
479 |
if (this.extensionOfLanguage == null) { |
480 |
Map<String, String> extensionOfLanguage = new HashMap<>(); |
481 |
List<ScriptEngineFactory> factories = getEngineManager().getEngineFactories();
|
482 |
for (ScriptEngineFactory factory : factories) {
|
483 |
if( "ognl".equals(factory.getLanguageName()) ) { |
484 |
continue;
|
485 |
} |
486 |
List<String> extensions = factory.getExtensions(); |
487 |
if (extensions != null && !extensions.isEmpty()) { |
488 |
extensionOfLanguage.put( |
489 |
factory.getLanguageName().toLowerCase(), |
490 |
extensions.get(0).toLowerCase()
|
491 |
); |
492 |
} |
493 |
} |
494 |
this.extensionOfLanguage = extensionOfLanguage;
|
495 |
} |
496 |
if (this.languageOfExtension == null) { |
497 |
Map<String, String> languageOfExtension = new HashMap<>(); |
498 |
List<ScriptEngineFactory> factories = getEngineManager().getEngineFactories();
|
499 |
for (ScriptEngineFactory factory : factories) {
|
500 |
if( "ognl".equals(factory.getLanguageName()) ) { |
501 |
continue;
|
502 |
} |
503 |
List<String> extensions = factory.getExtensions(); |
504 |
if (extensions != null) { |
505 |
for (String extension1 : extensions) { |
506 |
languageOfExtension.put( |
507 |
extension1.toLowerCase(), |
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factory.getLanguageName().toLowerCase() |
509 |
); |
510 |
} |
511 |
} |
512 |
} |
513 |
this.languageOfExtension = languageOfExtension;
|
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} |
515 |
} |
516 |
|
517 |
@Override
|
518 |
public String getExtensionOfLanguage(String langName) { |
519 |
if (langName == null) { |
520 |
return null; |
521 |
} |
522 |
langName = langName.toLowerCase(); |
523 |
initLanguages(); |
524 |
return this.extensionOfLanguage.get(langName); |
525 |
} |
526 |
|
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@Override
|
528 |
public List<String> getSupportedLanguages() { |
529 |
List<String> languages = new ArrayList<>(); |
530 |
|
531 |
initLanguages(); |
532 |
languages.addAll(this.extensionOfLanguage.keySet());
|
533 |
Collections.sort(languages);
|
534 |
return languages;
|
535 |
} |
536 |
|
537 |
public String getLanguageOfExtension(String extension) { |
538 |
if (extension == null) { |
539 |
return null; |
540 |
} |
541 |
extension = extension.toLowerCase(); |
542 |
if (extension.startsWith(".")) { |
543 |
extension = extension.substring(1);
|
544 |
} |
545 |
initLanguages(); |
546 |
return this.languageOfExtension.get(extension); |
547 |
} |
548 |
|
549 |
@Override
|
550 |
public Object get(String key) { |
551 |
return this.bindings.get(key); |
552 |
} |
553 |
|
554 |
@Override
|
555 |
public void put(String key, Object value) { |
556 |
this.bindings.put(key, value);
|
557 |
|
558 |
} |
559 |
|
560 |
@Override
|
561 |
public ScriptingHelpManager getHelpManager() {
|
562 |
if (this.helpManager == null) { |
563 |
this.helpManager = new DefaultScriptingHelpManager(this); |
564 |
} |
565 |
return this.helpManager; |
566 |
} |
567 |
|
568 |
@Override
|
569 |
public ScriptingUnit createUnit(String unitType, ScriptingFolder folder, String id) { |
570 |
return createUnit(unitType, folder, id, null); |
571 |
} |
572 |
|
573 |
@Override
|
574 |
public ScriptingUnit createUnit(String unitType, ScriptingFolder folder, String id, String language) { |
575 |
if (unitType.equals(UNIT_SCRIPT)) {
|
576 |
return this.createScript(folder, id, language); |
577 |
} |
578 |
if (unitType.equals(UNIT_DIALOG)) {
|
579 |
return this.createDialog(folder, id, language); |
580 |
} |
581 |
if (unitType.equals(UNIT_FOLDER)) {
|
582 |
return this.createFolder(folder, id); |
583 |
} |
584 |
if (unitType.equals(UNIT_EXTERNALFILE)) {
|
585 |
return this.createExternalFile(folder, id); |
586 |
} |
587 |
return null; |
588 |
} |
589 |
|
590 |
@Override
|
591 |
public List<String> getUnitTypes() { |
592 |
if (this.unitTypes == null) { |
593 |
this.unitTypes = new ArrayList<>(); |
594 |
this.unitTypes.add(UNIT_SCRIPT);
|
595 |
this.unitTypes.add(UNIT_DIALOG);
|
596 |
this.unitTypes.add(UNIT_FOLDER);
|
597 |
this.unitTypes.add(UNIT_EXTERNALFILE);
|
598 |
} |
599 |
return this.unitTypes; |
600 |
} |
601 |
|
602 |
@Override
|
603 |
public void addLibFolder(File lib) { |
604 |
if (lib.exists()) {
|
605 |
LOG.info("Add scripting lib folder '" + lib.getAbsolutePath() + "'"); |
606 |
this.libFolders.add(lib);
|
607 |
} else {
|
608 |
LOG.info("Skip add scripting lib folder '" + lib.getAbsolutePath() + "', folder don't exist"); |
609 |
} |
610 |
} |
611 |
|
612 |
@Override
|
613 |
public List<File> getLibFolders() { |
614 |
return new ArrayList(this.libFolders); |
615 |
} |
616 |
|
617 |
@Override
|
618 |
public Map<String, String> getLibFoldersVersions() { |
619 |
Map<String, String>versions = new HashMap<>(); |
620 |
List<File> folders = this.getLibFolders(); |
621 |
for (File folder : folders) { |
622 |
File parent = folder.getParentFile();
|
623 |
File libVersions = new File(parent,folder.getName()+".versions"); |
624 |
if( libVersions.exists() ) {
|
625 |
this.loadLibVersions(versions, libVersions);
|
626 |
} |
627 |
} |
628 |
if( versions.isEmpty() ) {
|
629 |
return null; |
630 |
} |
631 |
return versions;
|
632 |
} |
633 |
|
634 |
private void loadLibVersions(Map<String,String>versions, File file) { |
635 |
List<String> lines; |
636 |
try {
|
637 |
lines = FileUtils.readLines(file); |
638 |
} catch (IOException ex) { |
639 |
LOG.warn("Can't load lib versions from '"+file+".",ex); |
640 |
return;
|
641 |
} |
642 |
for (String line : lines) { |
643 |
String[] x = line.split("="); |
644 |
if( x.length==2 ) { |
645 |
versions.put(x[0], x[1]); |
646 |
} |
647 |
} |
648 |
} |
649 |
|
650 |
@Override
|
651 |
public ProviderFactory getInstallerFactory() {
|
652 |
return new ScriptingInstallerProviderFactory(); |
653 |
} |
654 |
|
655 |
@Override
|
656 |
public ProviderFactory getHelpInstallerFactory() {
|
657 |
return new ScriptingHelpInstallerProviderFactory(); |
658 |
} |
659 |
|
660 |
@Override
|
661 |
public File getPackagesFolder() { |
662 |
return this.packagesFolder; |
663 |
} |
664 |
|
665 |
@Override
|
666 |
public void setPackagesFolder(File folder) { |
667 |
this.packagesFolder = folder;
|
668 |
} |
669 |
|
670 |
} |