Revision 44392
| trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/DefaultExpressionEvaluatorManager.java | ||
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package org.gvsig.expressionevaluator.impl; |
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import java.io.InputStream; |
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import java.io.StringWriter; |
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import java.net.URI; |
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import java.net.URL; |
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import org.gvsig.expressionevaluator.Grammar; |
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import org.gvsig.expressionevaluator.GrammarFactory; |
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import java.util.Collection; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Objects; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.lang3.ArrayUtils; |
| ... | ... | |
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import org.gvsig.expressionevaluator.SymbolTableFactory; |
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import org.gvsig.expressionevaluator.Compiler; |
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import org.gvsig.expressionevaluator.GrammarSet; |
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import org.gvsig.expressionevaluator.impl.javascripting.CosaScriptEngineFactory; |
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import org.gvsig.tools.bookmarksandhistory.Bookmarks; |
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import org.gvsig.tools.bookmarksandhistory.History; |
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import org.gvsig.tools.bookmarksandhistory.impl.BaseBookmarks; |
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import org.gvsig.tools.bookmarksandhistory.impl.BaseHistory; |
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import org.gvsig.tools.resourcesstorage.ResourcesStorage; |
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import org.gvsig.tools.script.Script; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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@Override |
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public Bookmarks<Expression> getBookmarks() {
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if( this.bookmarks==null ) {
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this.bookmarks = new BaseBookmarks<Expression>();
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this.bookmarks = new BaseBookmarks<>(); |
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} |
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return this.bookmarks; |
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} |
| ... | ... | |
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@Override |
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public History<Expression> getHistory() {
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if( this.history==null ) {
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this.history = new BaseHistory<Expression>(20);
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this.history = new BaseHistory<>(20); |
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} |
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return this.history; |
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} |
| ... | ... | |
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} |
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@Override |
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public Script loadScript(URI location) {
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InputStream is = null; |
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String code = null; |
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String name = null; |
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public Script loadScript(final URI location) {
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ResourcesStorage.Resource res = null; |
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try {
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URL url = location.toURL(); |
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is = url.openStream(); |
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code = IOUtils.toString(is); |
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name = FilenameUtils.getBaseName(location.getPath()); |
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} catch(Exception ex) {
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if( location==null ) {
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return null; |
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} |
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res = ResourcesStorage.createResource(location); |
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if( res == null || !res.exists() ) {
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return null; |
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} |
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Script script = loadScript(res, FilenameUtils.getBaseName(location.getPath())); |
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return script; |
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} catch (Exception ex) {
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LOGGER.warn("Can't load script from URI.", ex);
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return null; |
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} finally {
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IOUtils.closeQuietly(is);
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IOUtils.closeQuietly(res);
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} |
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return this.createScript(name, code, CosaScriptEngineFactory.LANGUAGE_NAME); |
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} |
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@Override |
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public Script loadScript(ResourcesStorage storage, String name) {
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ResourcesStorage.Resource res = null; |
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try {
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if( storage==null ) {
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return null; |
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} |
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res = storage.getResource(name); |
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if( res == null || !res.exists() ) {
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return null; |
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} |
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Script script = loadScript(res, name); |
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return script; |
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} catch (Exception ex) {
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LOGGER.warn("Can't load script from resources storage.", ex);
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return null; |
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} finally {
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IOUtils.closeQuietly(res); |
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} |
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} |
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private static final Pattern RE_LANG = Pattern.compile(".*lang[:]\\s*([a-zA-Z_][a-zA-Z_0-9]*)");
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private static final Pattern RE_ENCODING = Pattern.compile(".*encoding[:]\\s*([a-zA-Z_][a-zA-Z_0-9]*)");
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private Script loadScript(ResourcesStorage.Resource res, String name) {
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try {
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if( res == null || !res.exists() ) {
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return null; |
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} |
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byte[] head_bytes = new byte[500]; |
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IOUtils.read(res.asInputStream(), head_bytes); |
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IOUtils.closeQuietly(res); |
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String head = new String(head_bytes); |
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if( StringUtils.isEmpty(head) ) {
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return null; |
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} |
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head = StringUtils.split("\n")[0];
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String lang = "cosa"; |
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String encoding = null; |
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Matcher m = RE_LANG.matcher(head); |
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if( m.groupCount()==1 ) {
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String s = m.group(1); |
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if( !StringUtils.isBlank(s) ) {
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lang = s; |
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} |
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} |
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m = RE_ENCODING.matcher(head); |
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if( m.groupCount()==1 ) {
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String s = m.group(1); |
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if( !StringUtils.isBlank(s) ) {
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encoding = s; |
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} |
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} |
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String source; |
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if( StringUtils.isBlank(encoding) ) {
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source = IOUtils.toString(res.asInputStream()); |
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} else {
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source = IOUtils.toString(res.asInputStream(), encoding); |
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} |
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Script script = this.createScript(name, source, lang); |
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return script; |
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} catch (Exception ex) {
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LOGGER.warn("Can't load script from resource.", ex);
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return null; |
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} finally {
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IOUtils.closeQuietly(res); |
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} |
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} |
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} |
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Also available in: Unified diff