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/*******************************************************************************
* Copyright (c) 2000, 2011 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
* SAP AG - consolidation of publishers for PDE formats
*******************************************************************************/
package org.eclipse.pde.internal.publishing;
import java.io.*;
import java.util.Dictionary;
import java.util.Enumeration;
import org.eclipse.osgi.service.resolver.BundleDescription;
import org.eclipse.osgi.util.ManifestElement;
import org.osgi.framework.BundleException;
public final class Utils {
static public void copy(File source, File destination) throws IOException {
InputStream in = null;
OutputStream out = null;
try {
in = new BufferedInputStream(new FileInputStream(source));
out = new BufferedOutputStream(new FileOutputStream(destination));
final byte[] buffer = new byte[8192];
while (true) {
int bytesRead = -1;
bytesRead = in.read(buffer);
if (bytesRead == -1)
break;
out.write(buffer, 0, bytesRead);
}
} finally {
try {
if (in != null)
in.close();
} finally {
if (out != null)
out.close();
}
}
}
public static boolean guessUnpack(BundleDescription bundle, String[] classpath) {
if (bundle == null)
return true;
@SuppressWarnings("unchecked")
Dictionary<String, String> properties = (Dictionary<String, String>) bundle.getUserObject();
String shape = null;
if (properties != null && (shape = properties.get(Constants.ECLIPSE_BUNDLE_SHAPE)) != null) {
return shape.equals("dir"); //$NON-NLS-1$
}
// launcher fragments are a special case, they have no bundle-classpath and they must
//be unpacked
if (bundle.getHost() != null && bundle.getName().startsWith(Constants.BUNDLE_EQUINOX_LAUNCHER))
return true;
if (new File(bundle.getLocation()).isFile())
return false;
if (classpath.length == 0)
return false;
for (int i = 0; i < classpath.length; i++) {
if (classpath[i].equals(".")) //$NON-NLS-1$
return false;
}
return true;
}
public static String[] getBundleClasspath(Dictionary<String, String> manifest) {
String fullClasspath = getBundleManifestHeader(manifest, Constants.BUNDLE_CLASSPATH);
String[] result = new String[0];
try {
if (fullClasspath != null) {
ManifestElement[] classpathEntries;
classpathEntries = ManifestElement.parseHeader(Constants.BUNDLE_CLASSPATH, fullClasspath);
result = new String[classpathEntries.length];
for (int i = 0; i < classpathEntries.length; i++) {
result[i] = classpathEntries[i].getValue();
}
}
} catch (BundleException e) {
//Ignore
}
return result;
}
public static String getBundleManifestHeader(Dictionary<String, String> manifest, String header) {
String value = manifest.get(header);
if (value != null)
return value;
Enumeration<String> keys = manifest.keys();
while (keys.hasMoreElements()) {
String key = keys.nextElement();
if (key.equalsIgnoreCase(header))
return manifest.get(key);
}
return null;
}
}
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