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/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.editor.xml;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.apache.maven.plugin.descriptor.PluginDescriptorBuilder;
import org.codehaus.plexus.util.IOUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.embedder.IMaven;
class PomTemplateContextUtil {
private static final Logger log = LoggerFactory.getLogger(PomTemplateContextUtil.class);
public static final PomTemplateContextUtil INSTANCE = new PomTemplateContextUtil();
private final Map<String, PluginDescriptor> descriptors = new HashMap<String, PluginDescriptor>();
public PluginDescriptor getPluginDescriptor(String groupId, String artifactId, String version) {
String name = groupId + ":" + artifactId + ":" + version;
PluginDescriptor descriptor = descriptors.get(name);
if(descriptor!=null) {
return descriptor;
}
MavenPlugin plugin = MavenPlugin.getDefault();
try {
IMaven embedder = MavenPlugin.getDefault().getMaven();
List<ArtifactRepository> repositories = embedder.getArtifactRepositories();
Artifact artifact = embedder.resolve(groupId, artifactId, version, "maven-plugin", null, repositories, null); //$NON-NLS-1$
File file = artifact.getFile();
if(file == null) {
String msg = "Can't resolve plugin " + name; //$NON-NLS-1$
log.error(msg);
} else {
InputStream is = null;
ZipFile zf = null;
try {
zf = new ZipFile(file);
ZipEntry entry = zf.getEntry("META-INF/maven/plugin.xml"); //$NON-NLS-1$
if(entry != null) {
is = zf.getInputStream(entry);
PluginDescriptorBuilder builder = new PluginDescriptorBuilder();
descriptor = builder.build(new InputStreamReader(is));
descriptors.put(name, descriptor);
return descriptor;
}
} catch(Exception ex) {
String msg = "Can't read configuration for " + name; //$NON-NLS-1$
log.error(msg, ex);
} finally {
IOUtil.close(is);
try {
zf.close();
} catch(IOException ex) {
// ignore
}
}
}
} catch(CoreException ex) {
IStatus status = ex.getStatus();
String msg = status.getMessage();
if(status.getException() != null) {
msg += "; " + status.getException().getMessage();
}
log.error(msg, ex);
}
return null;
}
}
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