update/org.eclipse.update.core/src/org/eclipse/update/internal/core/FeaturePackagedContentProvider.java - platform/eclipse.platform - Git at Google

 package org.eclipse.update.internal.core;
 /*
  * (c) Copyright IBM Corp. 2000, 2002.
  * All Rights Reserved.
  */
 import java.io.*;
 import java.net.URL;
 import java.util.*;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.update.core.*;
 import org.eclipse.update.internal.security.JarVerifier;

 /**
  * Content Provider of a Feature Package
  */
 public class FeaturePackagedContentProvider extends FeatureContentProvider {

 	private ContentReference localManifest = null;
 	private ContentReference[] localFeatureFiles = new ContentReference[0];
 	private IVerifier jarVerifier = null;

 	/*
 	 * filer for file with .jar
 	 */
 	public static final FilenameFilter filter = new FilenameFilter() {
 		public boolean accept(File dir, String name) {
 			return name.endsWith(FeaturePackagedContentProvider.JAR_EXTENSION);
 		}
 	};

 	/*
 	 * Constructor
 	 */
 	public FeaturePackagedContentProvider(URL url) {
 		super(url);
 	}

 	/*
 	 * Returns a new verifier for each top-level install
 	 * (if the verifier has a parent, return the verifier
 	 * otherwise reinitialize)
 	 */
 	public IVerifier getVerifier() throws CoreException {
 		if (jarVerifier == null || jarVerifier.getParent() == null) {
 			jarVerifier = new JarVerifier();
 			return jarVerifier;
 		}

 		// re-init will be done if the parent changes
 		return jarVerifier;
 	}

 	/*
 	 * @see IFeatureContentProvider#getFeatureManifestReference()
 	 */
 	public ContentReference getFeatureManifestReference(InstallMonitor monitor)
 		throws CoreException {

 		// check to see if we already have local copy of the manifest
 		if (localManifest != null)
 			return localManifest;

 		ContentReference[] featureArchiveReference =
 			getFeatureEntryArchiveReferences(monitor);
 		JarContentReference featureJarReference=null;
 		try {

 			// force feature archive to local.
 			// This content provider always assumes exactly 1 archive file (index [0])
 			featureJarReference =
 				(JarContentReference) asLocalReference(featureArchiveReference[0],
 					null);

 			// we need to unpack archive locally for UI browser references to be resolved correctly
 			localFeatureFiles =
 				featureJarReference.unpack(
 					getWorkingDirectory(),
 					null,
 					monitor);
 		} catch (IOException e) {
 			Object[] values =
 				new Object[] { Feature.FEATURE_XML, getURL(), featureJarReference};
 			throw Utilities.newCoreException(
 				Policy.bind(
 					"FeaturePackagedContentProvider.ErrorRetrieving",
 					values),
 				e);
 			//$NON-NLS-1$
 		}

 		// find the manifest in the unpacked feature files
 		for (int i = 0; i < localFeatureFiles.length; i++) {
 			if (localFeatureFiles[i]
 				.getIdentifier()
 				.equals(Feature.FEATURE_XML)) {
 				localManifest = localFeatureFiles[i];
 				// cache reference to manifest
 				return localManifest;
 			}
 		}

 		// the manifest has not been found
 		String[] values =
 			new String[] { Feature.FEATURE_XML, getURL().toExternalForm()};
 		throw Utilities.newCoreException(
 			Policy.bind(
 				"FeaturePackagedContentProvider.NoManifestFile",
 				values),
 			new Exception());
 		//$NON-NLS-1$

 	}

 	/*
 	 * @see IFeatureContentProvider#getArchiveReferences()
 	 */
 	public ContentReference[] getArchiveReferences(InstallMonitor monitor)
 		throws CoreException {

 		IPluginEntry[] entries = getFeature().getPluginEntries();
 		INonPluginEntry[] nonEntries = getFeature().getNonPluginEntries();
 		List listAllContentRef = new ArrayList();
 		ContentReference[] allContentRef = new ContentReference[0];

 		// feature
 		listAllContentRef.addAll(
 			Arrays.asList(getFeatureEntryArchiveReferences(monitor)));

 		// plugins
 		for (int i = 0; i < entries.length; i++) {
 			listAllContentRef.addAll(
 				Arrays.asList(
 					getPluginEntryArchiveReferences(entries[i], monitor)));
 		}

 		// non plugins
 		for (int i = 0; i < nonEntries.length; i++) {
 			listAllContentRef.addAll(
 				Arrays.asList(
 					getNonPluginEntryArchiveReferences(
 						nonEntries[i],
 						monitor)));
 		}

 		// transform List in Array
 		if (listAllContentRef.size() > 0) {
 			allContentRef = new ContentReference[listAllContentRef.size()];
 			listAllContentRef.toArray(allContentRef);
 		}

 		return allContentRef;
 	}

 	/*
 	 * @see IFeatureContentProvider#getFeatureEntryArchiveReferences()
 	 */
 	public ContentReference[] getFeatureEntryArchiveReferences(InstallMonitor monitor)
 		throws CoreException {

 		//1 jar file <-> 1 feature
 		// we will return the JAR file
 		ContentReference[] references = new ContentReference[1];
 		ContentReference currentReference = null;
 		String archiveID = null;

 		try {
 			archiveID =
 				(getFeature() != null)
 					? getFeature().getVersionedIdentifier().toString()
 					: "";
 			//$NON-NLS-1$
 			currentReference = new JarContentReference(archiveID, getURL());
 			currentReference = asLocalReference(currentReference, monitor);
 			references[0] = currentReference;
 		} catch (IOException e) {
 			String urlString =
 				(getFeature() == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoFeature")
 					: "" + getFeature().getURL();
 			//$NON-NLS-1$ //$NON-NLS-2$
 			String refString =
 				(currentReference == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoReference")
 					: currentReference.getIdentifier();
 			//$NON-NLS-1$
 			String[] values = new String[] { archiveID, refString, urlString };
 			throw Utilities.newCoreException(
 				Policy.bind(
 					"FeaturePackagedContentProvider.ErrorRetrieving",
 					values),
 				e);
 			//$NON-NLS-1$
 		}
 		return references;
 	}

 	/*
 	 * @see IFeatureContentProvider#getPluginEntryArchiveReferences(IPluginEntry)
 	 */
 	public ContentReference[] getPluginEntryArchiveReferences(
 		IPluginEntry pluginEntry,
 		InstallMonitor monitor)
 		throws CoreException {

 		// 1 plugin <-> 1 jar
 		// we return the JAR file
 		ContentReference[] references = new ContentReference[1];
 		String archiveID = getPathID(pluginEntry);
 		ISite site = (getFeature() == null) ? null : getFeature().getSite();
 		ISiteContentProvider siteContentProvider =
 			(site == null) ? null : site.getSiteContentProvider();
 		URL url =
 			(siteContentProvider == null)
 				? null
 				: siteContentProvider.getArchiveReference(archiveID);

 		try {
 			references[0] =
 				asLocalReference(
 					new JarContentReference(archiveID, url),
 					monitor);
 		} catch (IOException e) {
 			String urlString =
 				(getFeature() == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoFeature")
 					: "" + getFeature().getURL();
 			//$NON-NLS-1$ //$NON-NLS-2$
 			String refString =
 				(references[0] == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoReference")
 					: references[0].getIdentifier();
 			//$NON-NLS-1$
 			String[] values = new String[] { archiveID, refString, urlString };
 			throw Utilities.newCoreException(
 				Policy.bind(
 					"FeaturePackagedContentProvider.ErrorRetrieving",
 					values),
 				e);
 			//$NON-NLS-1$
 		}
 		return references;
 	}

 	/*
 	 * @see IFeatureContentProvider#getNonPluginEntryArchiveReferences(INonPluginEntry)
 	 */
 	public ContentReference[] getNonPluginEntryArchiveReferences(
 		INonPluginEntry nonPluginEntry,
 		InstallMonitor monitor)
 		throws CoreException {

 		// archive = feature/<id>_<ver>/<file>
 		String archiveID =
 			Site.DEFAULT_FEATURE_PATH
 				+ ((getFeature() != null)
 					? getFeature().getVersionedIdentifier().toString()
 					: "");
 		//$NON-NLS-1$
 		archiveID += "/" + nonPluginEntry.getIdentifier(); //$NON-NLS-1$

 		ContentReference[] references = new ContentReference[1];
 		ContentReference currentReference = null;

 		try {
 			ISite site = (getFeature() == null) ? null : getFeature().getSite();
 			ISiteContentProvider siteContentProvider =
 				(site == null) ? null : site.getSiteContentProvider();
 			URL url =
 				(siteContentProvider == null)
 					? null
 					: siteContentProvider.getArchiveReference(archiveID);

 			currentReference =
 				new ContentReference(nonPluginEntry.getIdentifier(), url);
 			currentReference = asLocalReference(currentReference, monitor);
 			references[0] = currentReference;

 		} catch (IOException e) {
 			String urlString =
 				(getFeature() == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoFeature")
 					: "" + getFeature().getURL();
 			//$NON-NLS-1$ //$NON-NLS-2$
 			String refString =
 				(currentReference == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoReference")
 					: currentReference.getIdentifier();
 			//$NON-NLS-1$
 			String[] values = new String[] { archiveID, refString, urlString };
 			throw Utilities.newCoreException(
 				Policy.bind(
 					"FeaturePackagedContentProvider.ErrorRetrieving",
 					values),
 				e);
 			//$NON-NLS-1$
 		}

 		return references;
 	}

 	/*
 	 * @see IFeatureContentProvider#getFeatureEntryContentReferences()
 	 */
 	public ContentReference[] getFeatureEntryContentReferences(InstallMonitor monitor)
 		throws CoreException {

 		return localFeatureFiles; // return cached feature references
 		// Note: assumes this content provider is always called first to
 		//       get the feature manifest. This forces the feature files
 		//       to be unpacked and caches the references
 	}

 	/*
 	 * @see IFeatureContentProvider#getPluginEntryContentReferences(IPluginEntry)
 	 */
 	public ContentReference[] getPluginEntryContentReferences(
 		IPluginEntry pluginEntry,
 		InstallMonitor monitor)
 		throws CoreException {

 		ContentReference[] references =
 			getPluginEntryArchiveReferences(pluginEntry, monitor);
 		ContentReference[] pluginReferences = new ContentReference[0];

 		try {
 			if (references[0] instanceof JarContentReference) {
 				JarContentReference localRef =
 					(JarContentReference) asLocalReference(references[0],
 						monitor);
 				pluginReferences = localRef.peek(null, monitor);
 			} else {
 				// return the list of all subdirectories
 				List files = getFiles(references[0].asFile());
 				pluginReferences = new ContentReference[files.size()];
 				for (int i = 0; i < pluginReferences.length; i++) {
 					File currentFile = (File) files.get(i);
 					pluginReferences[i] =
 						new ContentReference(null, currentFile.toURL());
 				}
 			};

 		} catch (IOException e) {
 			String urlString =
 				(getFeature() == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoFeature")
 					: "" + getFeature().getURL();
 			//$NON-NLS-1$ //$NON-NLS-2$
 			String refString =
 				(references[0] == null)
 					? Policy.bind("FeaturePackagedContentProvider.NoReference")
 					: references[0].getIdentifier();
 			//$NON-NLS-1$
 			String[] values =
 				new String[] {
 					pluginEntry.getVersionedIdentifier().toString(),
 					refString,
 					urlString };
 			throw Utilities.newCoreException(
 				Policy.bind(
 					"FeaturePackagedContentProvider.ErrorRetrieving",
 					values),
 				e);
 			//$NON-NLS-1$
 		}
 		return pluginReferences;
 	}

 	/*
 	 * return all the files under the directory
 	 */
 	private List getFiles(File dir) throws IOException {
 		List result = new ArrayList();

 		if (!dir.isDirectory())
 			throw new IOException(
 				Policy.bind(
 					"FeaturePackagedContentProvider.InvalidDirectory",
 					dir.getPath()));
 		//$NON-NLS-1$

 		File[] files = dir.listFiles();
 		if (files != null) // be careful since it can be null
 			for (int i = 0; i < files.length; ++i) {
 				if (files[i].isDirectory()) {
 					result.addAll(getFiles(files[i]));
 				} else {
 					result.add(files[i]);
 				}
 			}
 		return result;
 	}

 }
	package org.eclipse.update.internal.core;
	/*
	* (c) Copyright IBM Corp. 2000, 2002.
	* All Rights Reserved.
	*/
	import java.io.*;
	import java.net.URL;
	import java.util.*;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.update.core.*;
	import org.eclipse.update.internal.security.JarVerifier;

	/**
	* Content Provider of a Feature Package
	*/
	public class FeaturePackagedContentProvider extends FeatureContentProvider {

	private ContentReference localManifest = null;
	private ContentReference[] localFeatureFiles = new ContentReference[0];
	private IVerifier jarVerifier = null;

	/*
	* filer for file with .jar
	*/
	public static final FilenameFilter filter = new FilenameFilter() {
	public boolean accept(File dir, String name) {
	return name.endsWith(FeaturePackagedContentProvider.JAR_EXTENSION);
	}
	};

	/*
	* Constructor
	*/
	public FeaturePackagedContentProvider(URL url) {
	super(url);
	}

	/*
	* Returns a new verifier for each top-level install
	* (if the verifier has a parent, return the verifier
	* otherwise reinitialize)
	*/
	public IVerifier getVerifier() throws CoreException {
	if (jarVerifier == null \|\| jarVerifier.getParent() == null) {
	jarVerifier = new JarVerifier();
	return jarVerifier;
	}

	// re-init will be done if the parent changes
	return jarVerifier;
	}

	/*
	* @see IFeatureContentProvider#getFeatureManifestReference()
	*/
	public ContentReference getFeatureManifestReference(InstallMonitor monitor)
	throws CoreException {

	// check to see if we already have local copy of the manifest
	if (localManifest != null)
	return localManifest;

	ContentReference[] featureArchiveReference =
	getFeatureEntryArchiveReferences(monitor);
	JarContentReference featureJarReference=null;
	try {

	// force feature archive to local.
	// This content provider always assumes exactly 1 archive file (index [0])
	featureJarReference =
	(JarContentReference) asLocalReference(featureArchiveReference[0],
	null);

	// we need to unpack archive locally for UI browser references to be resolved correctly
	localFeatureFiles =
	featureJarReference.unpack(
	getWorkingDirectory(),
	null,
	monitor);
	} catch (IOException e) {
	Object[] values =
	new Object[] { Feature.FEATURE_XML, getURL(), featureJarReference};
	throw Utilities.newCoreException(
	Policy.bind(
	"FeaturePackagedContentProvider.ErrorRetrieving",
	values),
	e);
	//$NON-NLS-1$
	}

	// find the manifest in the unpacked feature files
	for (int i = 0; i < localFeatureFiles.length; i++) {
	if (localFeatureFiles[i]
	.getIdentifier()
	.equals(Feature.FEATURE_XML)) {
	localManifest = localFeatureFiles[i];
	// cache reference to manifest
	return localManifest;
	}
	}

	// the manifest has not been found
	String[] values =
	new String[] { Feature.FEATURE_XML, getURL().toExternalForm()};
	throw Utilities.newCoreException(
	Policy.bind(
	"FeaturePackagedContentProvider.NoManifestFile",
	values),
	new Exception());
	//$NON-NLS-1$

	}

	/*
	* @see IFeatureContentProvider#getArchiveReferences()
	*/
	public ContentReference[] getArchiveReferences(InstallMonitor monitor)
	throws CoreException {

	IPluginEntry[] entries = getFeature().getPluginEntries();
	INonPluginEntry[] nonEntries = getFeature().getNonPluginEntries();
	List listAllContentRef = new ArrayList();
	ContentReference[] allContentRef = new ContentReference[0];

	// feature
	listAllContentRef.addAll(
	Arrays.asList(getFeatureEntryArchiveReferences(monitor)));

	// plugins
	for (int i = 0; i < entries.length; i++) {
	listAllContentRef.addAll(
	Arrays.asList(
	getPluginEntryArchiveReferences(entries[i], monitor)));
	}

	// non plugins
	for (int i = 0; i < nonEntries.length; i++) {
	listAllContentRef.addAll(
	Arrays.asList(
	getNonPluginEntryArchiveReferences(
	nonEntries[i],
	monitor)));
	}

	// transform List in Array
	if (listAllContentRef.size() > 0) {
	allContentRef = new ContentReference[listAllContentRef.size()];
	listAllContentRef.toArray(allContentRef);
	}

	return allContentRef;
	}

	/*
	* @see IFeatureContentProvider#getFeatureEntryArchiveReferences()
	*/
	public ContentReference[] getFeatureEntryArchiveReferences(InstallMonitor monitor)
	throws CoreException {

	//1 jar file <-> 1 feature
	// we will return the JAR file
	ContentReference[] references = new ContentReference[1];
	ContentReference currentReference = null;
	String archiveID = null;

	try {
	archiveID =
	(getFeature() != null)
	? getFeature().getVersionedIdentifier().toString()
	: "";
	//$NON-NLS-1$
	currentReference = new JarContentReference(archiveID, getURL());
	currentReference = asLocalReference(currentReference, monitor);
	references[0] = currentReference;
	} catch (IOException e) {
	String urlString =
	(getFeature() == null)
	? Policy.bind("FeaturePackagedContentProvider.NoFeature")
	: "" + getFeature().getURL();
	//$NON-NLS-1$ //$NON-NLS-2$
	String refString =
	(currentReference == null)
	? Policy.bind("FeaturePackagedContentProvider.NoReference")
	: currentReference.getIdentifier();
	//$NON-NLS-1$
	String[] values = new String[] { archiveID, refString, urlString };
	throw Utilities.newCoreException(
	Policy.bind(
	"FeaturePackagedContentProvider.ErrorRetrieving",
	values),
	e);
	//$NON-NLS-1$
	}
	return references;
	}

	/*
	* @see IFeatureContentProvider#getPluginEntryArchiveReferences(IPluginEntry)
	*/
	public ContentReference[] getPluginEntryArchiveReferences(
	IPluginEntry pluginEntry,
	InstallMonitor monitor)
	throws CoreException {

	// 1 plugin <-> 1 jar
	// we return the JAR file
	ContentReference[] references = new ContentReference[1];
	String archiveID = getPathID(pluginEntry);
	ISite site = (getFeature() == null) ? null : getFeature().getSite();
	ISiteContentProvider siteContentProvider =
	(site == null) ? null : site.getSiteContentProvider();
	URL url =
	(siteContentProvider == null)
	? null
	: siteContentProvider.getArchiveReference(archiveID);

	try {
	references[0] =
	asLocalReference(
	new JarContentReference(archiveID, url),
	monitor);
	} catch (IOException e) {
	String urlString =
	(getFeature() == null)
	? Policy.bind("FeaturePackagedContentProvider.NoFeature")
	: "" + getFeature().getURL();
	//$NON-NLS-1$ //$NON-NLS-2$
	String refString =
	(references[0] == null)
	? Policy.bind("FeaturePackagedContentProvider.NoReference")
	: references[0].getIdentifier();
	//$NON-NLS-1$
	String[] values = new String[] { archiveID, refString, urlString };
	throw Utilities.newCoreException(
	Policy.bind(
	"FeaturePackagedContentProvider.ErrorRetrieving",
	values),
	e);
	//$NON-NLS-1$
	}
	return references;
	}

	/*
	* @see IFeatureContentProvider#getNonPluginEntryArchiveReferences(INonPluginEntry)
	*/
	public ContentReference[] getNonPluginEntryArchiveReferences(
	INonPluginEntry nonPluginEntry,
	InstallMonitor monitor)
	throws CoreException {

	// archive = feature/<id>_<ver>/<file>
	String archiveID =
	Site.DEFAULT_FEATURE_PATH
	+ ((getFeature() != null)
	? getFeature().getVersionedIdentifier().toString()
	: "");
	//$NON-NLS-1$
	archiveID += "/" + nonPluginEntry.getIdentifier(); //$NON-NLS-1$

	ContentReference[] references = new ContentReference[1];
	ContentReference currentReference = null;

	try {
	ISite site = (getFeature() == null) ? null : getFeature().getSite();
	ISiteContentProvider siteContentProvider =
	(site == null) ? null : site.getSiteContentProvider();
	URL url =
	(siteContentProvider == null)
	? null
	: siteContentProvider.getArchiveReference(archiveID);

	currentReference =
	new ContentReference(nonPluginEntry.getIdentifier(), url);
	currentReference = asLocalReference(currentReference, monitor);
	references[0] = currentReference;

	} catch (IOException e) {
	String urlString =
	(getFeature() == null)
	? Policy.bind("FeaturePackagedContentProvider.NoFeature")
	: "" + getFeature().getURL();
	//$NON-NLS-1$ //$NON-NLS-2$
	String refString =
	(currentReference == null)
	? Policy.bind("FeaturePackagedContentProvider.NoReference")
	: currentReference.getIdentifier();
	//$NON-NLS-1$
	String[] values = new String[] { archiveID, refString, urlString };
	throw Utilities.newCoreException(
	Policy.bind(
	"FeaturePackagedContentProvider.ErrorRetrieving",
	values),
	e);
	//$NON-NLS-1$
	}

	return references;
	}

	/*
	* @see IFeatureContentProvider#getFeatureEntryContentReferences()
	*/
	public ContentReference[] getFeatureEntryContentReferences(InstallMonitor monitor)
	throws CoreException {

	return localFeatureFiles; // return cached feature references
	// Note: assumes this content provider is always called first to
	// get the feature manifest. This forces the feature files
	// to be unpacked and caches the references
	}

	/*
	* @see IFeatureContentProvider#getPluginEntryContentReferences(IPluginEntry)
	*/
	public ContentReference[] getPluginEntryContentReferences(
	IPluginEntry pluginEntry,
	InstallMonitor monitor)
	throws CoreException {

	ContentReference[] references =
	getPluginEntryArchiveReferences(pluginEntry, monitor);
	ContentReference[] pluginReferences = new ContentReference[0];

	try {
	if (references[0] instanceof JarContentReference) {
	JarContentReference localRef =
	(JarContentReference) asLocalReference(references[0],
	monitor);
	pluginReferences = localRef.peek(null, monitor);
	} else {
	// return the list of all subdirectories
	List files = getFiles(references[0].asFile());
	pluginReferences = new ContentReference[files.size()];
	for (int i = 0; i < pluginReferences.length; i++) {
	File currentFile = (File) files.get(i);
	pluginReferences[i] =
	new ContentReference(null, currentFile.toURL());
	}
	};

	} catch (IOException e) {
	String urlString =
	(getFeature() == null)
	? Policy.bind("FeaturePackagedContentProvider.NoFeature")
	: "" + getFeature().getURL();
	//$NON-NLS-1$ //$NON-NLS-2$
	String refString =
	(references[0] == null)
	? Policy.bind("FeaturePackagedContentProvider.NoReference")
	: references[0].getIdentifier();
	//$NON-NLS-1$
	String[] values =
	new String[] {
	pluginEntry.getVersionedIdentifier().toString(),
	refString,
	urlString };
	throw Utilities.newCoreException(
	Policy.bind(
	"FeaturePackagedContentProvider.ErrorRetrieving",
	values),
	e);
	//$NON-NLS-1$
	}
	return pluginReferences;
	}

	/*
	* return all the files under the directory
	*/
	private List getFiles(File dir) throws IOException {
	List result = new ArrayList();

	if (!dir.isDirectory())
	throw new IOException(
	Policy.bind(
	"FeaturePackagedContentProvider.InvalidDirectory",
	dir.getPath()));
	//$NON-NLS-1$

	File[] files = dir.listFiles();
	if (files != null) // be careful since it can be null
	for (int i = 0; i < files.length; ++i) {
	if (files[i].isDirectory()) {
	result.addAll(getFiles(files[i]));
	} else {
	result.add(files[i]);
	}
	}
	return result;
	}

	}