1 files changed, 238 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.metadata.generator/src/org/eclipse/equinox/internal/prov/metadata/generator/features/FeatureParser.java b/bundles/org.eclipse.equinox.p2.metadata.generator/src/org/eclipse/equinox/internal/prov/metadata/generator/features/FeatureParser.java
new file mode 100644
index 000000000..8ef5249d5
--- /dev/null
+++ b/bundles/org.eclipse.equinox.p2.metadata.generator/src/org/eclipse/equinox/internal/prov/metadata/generator/features/FeatureParser.java
@@ -0,0 +1,238 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.equinox.internal.prov.metadata.generator.features;
+
+import java.io.*;
+import java.net.URL;
+import javax.xml.parsers.*;
+import org.eclipse.equinox.prov.metadata.generator.Feature;
+import org.eclipse.equinox.prov.metadata.generator.FeatureEntry;
+import org.eclipse.osgi.util.NLS;
+import org.xml.sax.*;
+import org.xml.sax.helpers.DefaultHandler;
+
+/**
+ * Default feature parser.
+ * Parses the feature manifest file as defined by the platform.
+ * 
+ * @since 3.0
+ */
+public class FeatureParser extends DefaultHandler {
+
+	private SAXParser parser;
+	private Feature result;
+	private URL url;
+	private StringBuffer characters = null;
+
+	private final static SAXParserFactory parserFactory = SAXParserFactory.newInstance();
+
+	public FeatureParser() {
+		super();
+		try {
+			parserFactory.setNamespaceAware(true);
+			this.parser = parserFactory.newSAXParser();
+		} catch (ParserConfigurationException e) {
+			System.out.println(e);
+		} catch (SAXException e) {
+			System.out.println(e);
+		}
+	}
+
+	/**
+	 * Parses the specified url and constructs a feature
+	 */
+	public Feature parse(URL featureURL) {
+		result = null;
+		InputStream in = null;
+		try {
+			url = featureURL;
+			in = featureURL.openStream();
+			parser.parse(new InputSource(in), this);
+		} catch (SAXException e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		} finally {
+			if (in != null)
+				try {
+					in.close();
+				} catch (IOException e1) {
+					//					Utils.log(e1.getLocalizedMessage());
+				}
+		}
+		return result;
+	}
+
+	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
+		//		Utils.debug("Start Element: uri:" + uri + " local Name:" + localName + " qName:" + qName); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		if ("plugin".equals(localName)) { //$NON-NLS-1$
+			processPlugin(attributes);
+		} else if ("description".equals(localName)) { //$NON-NLS-1$
+			processDescription(attributes);
+		} else if ("license".equals(localName)) { //$NON-NLS-1$
+			processLicense(attributes);
+		} else if ("copyright".equals(localName)) { //$NON-NLS-1$
+			processCopyright(attributes);
+		} else if ("feature".equals(localName)) { //$NON-NLS-1$
+			processFeature(attributes);
+		} else if ("import".equals(localName)) { //$NON-NLS-1$
+			processImport(attributes);
+		} else if ("includes".equals(localName)) { //$NON-NLS-1$
+			processIncludes(attributes);
+		} else if ("install-handler".equals(localName)) { //$NON-NLS-1$
+			processInstallHandler(attributes);
+		} else if ("update".equals(localName)) { //$NON-NLS-1$
+			processUpdateSite(attributes);
+		} else if ("discovery".equals(localName)) { //$NON-NLS-1$
+			processDiscoverySite(attributes);
+		}
+	}
+
+	private void processImport(Attributes attributes) {
+		String id = attributes.getValue("feature"); //$NON-NLS-1$
+		FeatureEntry entry = null;
+		if (id != null) {
+			entry = FeatureEntry.createRequires(id, attributes.getValue("version"), attributes.getValue("match"), attributes.getValue("filter"), false); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		} else {
+			id = attributes.getValue("plugin"); //$NON-NLS-1$
+			entry = FeatureEntry.createRequires(id, attributes.getValue("version"), attributes.getValue("match"), attributes.getValue("filter"), true); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		}
+		result.addEntry(entry);
+	}
+
+	private void processIncludes(Attributes attributes) {
+		FeatureEntry entry = new FeatureEntry(attributes.getValue("id"), attributes.getValue("version"), false); //$NON-NLS-1$ //$NON-NLS-2$
+		String flag = attributes.getValue("unpack"); //$NON-NLS-1$
+		if (flag != null)
+			entry.setOptional(Boolean.valueOf(flag).booleanValue());
+		setEnvironment(attributes, entry);
+		result.addEntry(entry);
+	}
+
+	private void processInstallHandler(Attributes attributes) {
+		result.setInstallHandler(attributes.getValue("handler")); //$NON-NLS-1$
+		result.setInstallHandlerLibrary(attributes.getValue("library")); //$NON-NLS-1$
+		result.setInstallHandlerURL(attributes.getValue("url")); //$NON-NLS-1$
+	}
+
+	private void processUpdateSite(Attributes attributes) {
+		result.setUpdateSiteLabel(attributes.getValue("label")); //$NON-NLS-1$
+		result.setUpdateSiteURL(attributes.getValue("url")); //$NON-NLS-1$
+	}
+
+	private void processDiscoverySite(Attributes attributes) {
+		result.addDiscoverySite(attributes.getValue("url"), attributes.getValue("label")); //$NON-NLS-1$ //$NON-NLS-2$
+	}
+
+	private void setEnvironment(Attributes attributes, FeatureEntry entry) {
+		String os = attributes.getValue("os"); //$NON-NLS-1$
+		String ws = attributes.getValue("ws"); //$NON-NLS-1$
+		String nl = attributes.getValue("nl"); //$NON-NLS-1$
+		String arch = attributes.getValue("arch"); //$NON-NLS-1$
+		entry.setEnvironment(os, ws, arch, nl);
+	}
+
+	protected Feature createFeature(String id, String version) {
+		return new Feature(id, version);
+	}
+
+	protected void processFeature(Attributes attributes) {
+		String id = attributes.getValue("id"); //$NON-NLS-1$
+		String ver = attributes.getValue("version"); //$NON-NLS-1$
+
+		if (id == null || id.trim().equals("") //$NON-NLS-1$
+				|| ver == null || ver.trim().equals("")) { //$NON-NLS-1$
+			//			System.out.println(NLS.bind(Messages.FeatureParser_IdOrVersionInvalid, (new String[] { id, ver})));
+		} else {
+			result = createFeature(id, ver);
+
+			String os = attributes.getValue("os"); //$NON-NLS-1$
+			String ws = attributes.getValue("ws"); //$NON-NLS-1$
+			String nl = attributes.getValue("nl"); //$NON-NLS-1$
+			String arch = attributes.getValue("arch"); //$NON-NLS-1$
+			result.setEnvironment(os, ws, arch, nl);
+
+			//TODO rootURLs
+			if ("file".equals(url.getProtocol())) { //$NON-NLS-1$
+				File f = new File(url.getFile().replace('/', File.separatorChar));
+				result.setURL("features" + "/" + f.getParentFile().getName() + "/");// + f.getName()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+			} else {
+				// externalized URLs might be in relative form, ensure they are absolute				
+				//				feature.setURL(Utils.makeAbsolute(Utils.getInstallURL(), url).toExternalForm());
+			}
+
+			result.setProviderName(attributes.getValue("provider-name")); //$NON-NLS-1$
+			result.setLabel(attributes.getValue("label")); //$NON-NLS-1$
+			result.setImage(attributes.getValue("image")); //$NON-NLS-1$
+
+			//			Utils.debug("End process DefaultFeature tag: id:" +id + " ver:" +ver + " url:" + feature.getURL()); 	 //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		}
+	}
+
+	private void processPlugin(Attributes attributes) {
+		String id = attributes.getValue("id"); //$NON-NLS-1$
+		String version = attributes.getValue("version"); //$NON-NLS-1$
+
+		if (id == null || id.trim().equals("") || version == null || version.trim().equals("")) { //$NON-NLS-1$ //$NON-NLS-2$
+			System.out.println(NLS.bind("FeatureParser#processPlugin, ID {0} or version {1} invalid", (new String[] {id, version}))); //$NON-NLS-1$
+		} else {
+			FeatureEntry plugin = new FeatureEntry(id, version, true);
+			setEnvironment(attributes, plugin);
+			String unpack = attributes.getValue("unpack"); //$NON-NLS-1$
+			if (unpack != null)
+				plugin.setUnpack(Boolean.valueOf(unpack).booleanValue());
+			String fragment = attributes.getValue("fragment"); //$NON-NLS-1$
+			if (fragment != null)
+				plugin.setFragment(Boolean.valueOf(fragment).booleanValue());
+			String filter = attributes.getValue("filter"); //$NON-NLS-1$
+			if (filter != null)
+				plugin.setFilter(filter);
+			result.addEntry(plugin);
+
+			//			Utils.debug("End process DefaultFeature tag: id:" + id + " ver:" + ver + " url:" + feature.getURL()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		}
+	}
+
+	private void processLicense(Attributes attributes) {
+		result.setLicenseURL(attributes.getValue("url")); //$NON-NLS-1$
+		characters = new StringBuffer();
+	}
+
+	private void processCopyright(Attributes attributes) {
+		result.setCopyrightURL(attributes.getValue("url")); //$NON-NLS-1$
+		characters = new StringBuffer();
+	}
+
+	private void processDescription(Attributes attributes) {
+		result.setDescriptionURL(attributes.getValue("url")); //$NON-NLS-1$
+		characters = new StringBuffer();
+	}
+
+	public void characters(char[] ch, int start, int length) throws SAXException {
+		if (characters == null)
+			return;
+		characters.append(ch, start, length);
+	}
+
+	public void endElement(String uri, String localName, String qName) throws SAXException {
+		if (characters != null)
+			return;
+		if ("description".equals(localName)) { //$NON-NLS-1$
+			result.setDescription(characters.toString().trim());
+		} else if ("license".equals(localName)) { //$NON-NLS-1$
+			result.setLicense(characters.toString().trim());
+		} else if ("copyright".equals(localName)) { //$NON-NLS-1$
+			result.setCopyright(characters.toString().trim());
+		}
+		characters = null;
+	}
+
+}