| /******************************************************************************* |
| * Copyright (c) 2008, 2010 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.jst.j2ee.internal.componentcore; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipException; |
| import java.util.zip.ZipFile; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jst.j2ee.internal.archive.JavaEEEMFZipFileLoadAdapterImpl; |
| import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; |
| import org.eclipse.jst.jee.archive.ArchiveOpenFailureException; |
| import org.eclipse.jst.jee.archive.IArchiveResource; |
| import org.eclipse.jst.jee.archive.internal.ArchiveUtil; |
| import org.eclipse.wst.common.componentcore.internal.resources.VirtualArchiveComponent; |
| |
| /** |
| * @author jsholl |
| * |
| */ |
| public class JavaEEBinaryComponentLoadAdapter extends JavaEEEMFZipFileLoadAdapterImpl { |
| |
| private java.io.File file = null; |
| private IPath archivePath; |
| private boolean physicallyOpen = true; |
| |
| private VirtualArchiveComponent archiveComponent; |
| |
| public JavaEEBinaryComponentLoadAdapter(VirtualArchiveComponent archiveComponent) throws ArchiveOpenFailureException { |
| super(); |
| this.archiveComponent = archiveComponent; |
| IPath archivePath = recomputeArchivePath(); |
| if( archivePath != null ) { |
| try{ |
| resetZipFile(archivePath); |
| } catch (ZipException e) { |
| ArchiveOpenFailureException openFailureException = new ArchiveOpenFailureException(archivePath, file.getAbsolutePath(), e); |
| throw openFailureException; |
| } catch (IOException e) { |
| ArchiveOpenFailureException openFailureException = new ArchiveOpenFailureException(archivePath, file.getAbsolutePath(), e); |
| throw openFailureException; |
| } |
| } else { |
| ArchiveOpenFailureException openFailureException = new ArchiveOpenFailureException(new String() + null); |
| throw openFailureException; |
| } |
| } |
| |
| private void resetZipFile(IPath archivePath) throws ZipException, IOException { |
| file = new java.io.File(archivePath.toOSString()); |
| ZipFile zipFile = ArchiveUtil.newZipFile(file); |
| setZipFile(zipFile); |
| setArchivePath(archivePath); |
| } |
| |
| private IPath recomputeArchivePath() { |
| java.io.File f = (java.io.File) archiveComponent.getAdapter(java.io.File.class); |
| if (f == null || !f.exists()) { |
| IFile wbFile = (IFile) archiveComponent.getAdapter(IFile.class); |
| if (wbFile != null) { |
| f = new File(wbFile.getLocation().toOSString()); |
| } |
| } |
| return f == null ? null : new Path(f.getAbsolutePath()); |
| } |
| |
| private void setArchivePath(IPath archivePath) { |
| this.archivePath = archivePath; |
| } |
| |
| public IPath getArchivePath() { |
| return archivePath; |
| } |
| |
| public boolean isPhysicallyOpen(){ |
| return physicallyOpen; |
| } |
| |
| public void physicallyOpen() throws ZipException, IOException{ |
| if(!isPhysicallyOpen()){ |
| if(file != null && file.exists()){ |
| setZipFile(ArchiveUtil.newZipFile(file)); |
| } else { |
| //check if the file has moved -- this can happen when |
| //checking into ClearCase. |
| IPath newPath = recomputeArchivePath(); |
| if(newPath == archivePath || newPath == null || newPath.equals(archivePath)){ |
| String loc = archivePath == null ? null : archivePath.toOSString(); |
| throw new FileNotFoundException(loc); |
| } |
| resetZipFile(newPath); |
| } |
| physicallyOpen = true; |
| } |
| } |
| |
| public void physicallyClose(){ |
| if(isPhysicallyOpen()){ |
| physicallyOpen = false; |
| try{ |
| zipFile.close(); |
| } |
| catch (Throwable t) { |
| //Ignore |
| } |
| } |
| } |
| |
| @Override |
| public boolean containsArchiveResource(IPath resourcePath) { |
| final boolean isPhysciallyOpen = isPhysicallyOpen(); |
| Exception caughtException = null; |
| try { |
| if (!isPhysciallyOpen) { |
| physicallyOpen(); |
| } |
| try{ |
| return super.containsArchiveResource(resourcePath); |
| } catch(Exception e){ |
| J2EEPlugin.logError(caughtException); |
| } |
| } catch (Exception e) { |
| caughtException = e; |
| J2EEPlugin.logError(caughtException); |
| } finally { |
| if (caughtException != null) { |
| if (!isPhysciallyOpen) { |
| physicallyClose(); |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public IArchiveResource getArchiveResource(IPath filePath) { |
| final boolean isPhysciallyOpen = isPhysicallyOpen(); |
| Exception caughtException = null; |
| try { |
| if (!isPhysciallyOpen) { |
| physicallyOpen(); |
| } |
| try { |
| return super.getArchiveResource(filePath); |
| } catch(Exception e){ |
| J2EEPlugin.logError(caughtException); |
| } |
| } catch (Exception e) { |
| caughtException = e; |
| J2EEPlugin.logError(caughtException); |
| } finally { |
| if (caughtException != null) { |
| if (!isPhysciallyOpen) { |
| physicallyClose(); |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public List getArchiveResources() { |
| final boolean isPhysciallyOpen = isPhysicallyOpen(); |
| Exception caughtException = null; |
| try { |
| if (!isPhysciallyOpen) { |
| physicallyOpen(); |
| } |
| try { |
| return super.getArchiveResources(); |
| } catch(Exception e){ |
| J2EEPlugin.logError(caughtException); |
| } |
| } catch (Exception e) { |
| caughtException = e; |
| J2EEPlugin.logError(caughtException); |
| } finally { |
| if (caughtException != null) { |
| if (!isPhysciallyOpen) { |
| physicallyClose(); |
| } |
| } |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| |
| @Override |
| public java.io.InputStream getInputStream(IArchiveResource aFile) throws IOException, FileNotFoundException { |
| final boolean isPhysciallyOpen = isPhysicallyOpen(); |
| Exception caughtException = null; |
| try { |
| if (!isPhysciallyOpen) { |
| physicallyOpen(); |
| } |
| IPath path = aFile.getPath(); |
| String uri = path.toString(); |
| ZipEntry entry = getZipFile().getEntry(uri); |
| if (entry == null) |
| throw new FileNotFoundException(uri); |
| |
| return new java.io.BufferedInputStream(getZipFile().getInputStream(entry)) { |
| @Override |
| public void close() throws IOException { |
| super.close(); |
| if (!isPhysciallyOpen ) { |
| physicallyClose(); |
| } |
| } |
| }; |
| } catch (FileNotFoundException e) { |
| caughtException = e; |
| throw e; |
| } catch (IllegalStateException zipClosed) { |
| caughtException = zipClosed; |
| throw new IOException(zipClosed.toString()); |
| } catch (Exception e) { |
| caughtException = e; |
| throw new IOException(e.toString()); |
| } finally { |
| if (caughtException != null) { |
| if (!isPhysciallyOpen) { |
| physicallyClose(); |
| } |
| } |
| } |
| } |
| |
| public VirtualArchiveComponent getArchiveComponent() { |
| return archiveComponent; |
| } |
| } |