| /******************************************************************************* |
| * Copyright (c) 2000, 2008 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.debug.core.sourcelookup.containers; |
| |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipFile; |
| |
| import org.eclipse.core.resources.IStorage; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.PlatformObject; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.internal.core.sourcelookup.SourceLookupMessages; |
| |
| /** |
| * Storage implementation for zip entries. |
| * <p> |
| * This class may be instantiated. |
| * </p> |
| * @see IStorage |
| * @since 3.0 |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class ZipEntryStorage extends PlatformObject implements IStorage { |
| |
| /** |
| * Zip file associated with zip entry |
| */ |
| private ZipFile fArchive; |
| |
| /** |
| * Zip entry |
| */ |
| private ZipEntry fZipEntry; |
| |
| /** |
| * Constructs a new storage implementation for the |
| * given zip entry in the specified zip file |
| * |
| * @param archive zip file |
| * @param entry zip entry |
| */ |
| public ZipEntryStorage(ZipFile archive, ZipEntry entry) { |
| setArchive(archive); |
| setZipEntry(entry); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.IStorage#getContents() |
| */ |
| public InputStream getContents() throws CoreException { |
| try { |
| return getArchive().getInputStream(getZipEntry()); |
| } catch (IOException e) { |
| throw new CoreException(new Status(IStatus.ERROR, DebugPlugin.getUniqueIdentifier(), DebugPlugin.ERROR, SourceLookupMessages.ZipEntryStorage_0, e)); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.IStorage#getFullPath() |
| */ |
| public IPath getFullPath() { |
| return new Path(getArchive().getName()).append(getZipEntry().getName()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.IStorage#getName() |
| */ |
| public String getName() { |
| int index = getZipEntry().getName().lastIndexOf('\\'); |
| if (index == -1) { |
| index = getZipEntry().getName().lastIndexOf('/'); |
| } |
| if (index == -1) { |
| return getZipEntry().getName(); |
| } |
| return getZipEntry().getName().substring(index + 1); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.IStorage#isReadOnly() |
| */ |
| public boolean isReadOnly() { |
| return true; |
| } |
| |
| /** |
| * Sets the archive containing the zip entry. |
| * |
| * @param archive a zip file |
| */ |
| private void setArchive(ZipFile archive) { |
| fArchive = archive; |
| } |
| |
| /** |
| * Returns the archive containing the zip entry. |
| * |
| * @return zip file |
| */ |
| public ZipFile getArchive() { |
| return fArchive; |
| } |
| |
| /** |
| * Sets the entry that contains the source. |
| * |
| * @param entry the entry that contains the source |
| */ |
| private void setZipEntry(ZipEntry entry) { |
| fZipEntry = entry; |
| } |
| |
| /** |
| * Returns the entry that contains the source |
| * |
| * @return zip entry |
| */ |
| public ZipEntry getZipEntry() { |
| return fZipEntry; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object object) { |
| return object instanceof ZipEntryStorage && |
| getArchive().equals(((ZipEntryStorage)object).getArchive()) && |
| getZipEntry().getName().equals(((ZipEntryStorage)object).getZipEntry().getName()); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return getZipEntry().getName().hashCode(); |
| } |
| } |