diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/util/JarUtilities.java')
| -rw-r--r-- | bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/util/JarUtilities.java | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/util/JarUtilities.java b/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/util/JarUtilities.java deleted file mode 100644 index b9463b9c72..0000000000 --- a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/util/JarUtilities.java +++ /dev/null @@ -1,180 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.core.internal.util; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.File; -import java.io.IOException; -import java.io.InputStream; -import java.util.ArrayList; -import java.util.Enumeration; -import java.util.List; -import java.util.zip.ZipEntry; -import java.util.zip.ZipException; -import java.util.zip.ZipFile; - -import org.eclipse.core.resources.IResource; -import org.eclipse.wst.sse.core.internal.Logger; - - -public class JarUtilities { - - /** - * @see http://java.sun.com/products/jsp/errata_1_1_a_042800.html, Issues - * 8 & 9 - * - * "There are two cases. In both cases the TLD_URI is to be interpreted - * relative to the root of the Web Application. In the first case the - * TLD_URI refers to a TLD file directly. In the second case, the TLD_URI - * refers to a JAR file. If so, that JAR file should have a TLD at - * location META-INF/taglib.tld." - */ - public static final String JSP11_TAGLIB = "META-INF/taglib.tld"; //$NON-NLS-1$ - - public static void closeJarFile(ZipFile file) { - if (file == null) - return; - try { - file.close(); - } - catch (IOException ioe) { - // no cleanup can be done - Logger.logException("JarUtilities: Could not close file " + file.getName(), ioe); //$NON-NLS-1$ - } - } - - /** - * Provides a stream to a local copy of the input or null if not possible - */ - protected static InputStream getCachedInputStream(String jarFilename, String entryName) { - File testFile = new File(jarFilename); - if (!testFile.exists()) - return null; - - InputStream cache = null; - ZipFile jarfile = null; - try { - jarfile = new ZipFile(jarFilename); - } - catch (IOException ioExc) { - Logger.logException("JarUtilities: " + jarFilename, ioExc); //$NON-NLS-1$ - closeJarFile(jarfile); - } - - if (jarfile != null) { - try { - ZipEntry zentry = jarfile.getEntry(entryName); - if (zentry != null) { - InputStream entryInputStream = null; - try { - entryInputStream = jarfile.getInputStream(zentry); - } - catch (IOException ioExc) { - Logger.logException("JarUtilities: " + jarFilename, ioExc); //$NON-NLS-1$ - } - - if (entryInputStream != null) { - int c; - ByteArrayOutputStream buffer = null; - if (zentry.getSize() > 0) { - buffer = new ByteArrayOutputStream((int) zentry.getSize()); - } - else { - buffer = new ByteArrayOutputStream(); - } - // array dim restriction? - byte bytes[] = new byte[2048]; - try { - while ((c = entryInputStream.read(bytes)) >= 0) { - buffer.write(bytes, 0, c); - } - cache = new ByteArrayInputStream(buffer.toByteArray()); - closeJarFile(jarfile); - } - catch (IOException ioe) { - // no cleanup can be done - } - finally { - try { - entryInputStream.close(); - } - catch (IOException e) { - } - } - } - } - } - finally { - closeJarFile(jarfile); - } - } - return cache; - } - - public static String[] getEntryNames(IResource jarResource) { - if (jarResource == null || jarResource.getLocation() == null) - return new String[0]; - return getEntryNames(jarResource.getLocation().toString()); - } - - public static String[] getEntryNames(String jarFilename) { - return getEntryNames(jarFilename, true); - } - - public static String[] getEntryNames(String jarFilename, boolean excludeDirectories) { - ZipFile jarfile = null; - List entryNames = new ArrayList(); - try { - jarfile = new ZipFile(jarFilename); - Enumeration entries = jarfile.entries(); - while (entries.hasMoreElements()) { - ZipEntry z = (ZipEntry) entries.nextElement(); - if (!(z.isDirectory() && excludeDirectories)) - entryNames.add(z.getName()); - } - } - catch (ZipException zExc) { - Logger.log(Logger.WARNING, "JarUtilities ZipException: " + jarFilename + " " + zExc.getMessage()); //$NON-NLS-1$ //$NON-NLS-2$ - } - catch (IOException ioExc) { - Logger.log(Logger.WARNING, "JarUtilities IOException: " + jarFilename + " " + ioExc.getMessage()); //$NON-NLS-1$ //$NON-NLS-2$ - } - finally { - closeJarFile(jarfile); - } - String[] names = (String[]) entryNames.toArray(new String[0]); - return names; - } - - public static InputStream getInputStream(IResource jarResource, String entryName) { - if (jarResource == null) - return null; - return getInputStream(jarResource.getLocation().toString(), entryName); - } - - public static InputStream getInputStream(String jarFilename, String entryName) { - // check sanity - if (jarFilename == null || jarFilename.length() < 1 || entryName == null || entryName.length() < 1) - return null; - - // JAR files are not allowed to have leading '/' in member names - String internalName = null; - if (entryName.startsWith("/")) //$NON-NLS-1$ - internalName = entryName.substring(1); - else - internalName = entryName; - - return getCachedInputStream(jarFilename, internalName); - } -} |