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package org.glassfish.deployment.common;
import com.sun.enterprise.deployment.deploy.shared.InputJarArchive;
import com.sun.enterprise.deployment.deploy.shared.OutputJarArchive;
import com.sun.enterprise.util.io.FileUtils;
import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.api.deployment.DeployCommandParameters;
import org.glassfish.api.deployment.OpsParams;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.api.deployment.archive.WritableArchive;
import org.glassfish.internal.deployment.ExtendedDeploymentContext;
import org.glassfish.deployment.versioning.VersioningUtils;
import org.glassfish.logging.annotation.LogMessageInfo;
/**
* Writes a client JAR file, if one is needed, suitable for downloading.
*
* Deployers will use the {@link ClientArtifactsManager} to record files which
* they generate that need to be included in the downloadable client JAR. Examples
* are EJB stubs, web services artifacts, and JARs related to app clients.
* Once all deployers have run through the prepare phase this class can be used to
* create the client JAR, collecting those client artifacts into the
* generated JAR, and adding the generated client JAR to the list of files
* related to this application that are available for download.
*
* @author tjquinn
*/
public class ClientJarWriter {
public static final Logger deplLogger = org.glassfish.deployment.common.DeploymentContextImpl.deplLogger;
@LogMessageInfo(message = "Exception caught: {0}", level="WARNING")
private static final String EXCEPTION_CAUGHT = "NCLS-DEPLOYMENT-00004";
private final String LINE_SEP = System.getProperty("line.separator");
private final ExtendedDeploymentContext deploymentContext;
private final String name;
private Map jarFiles = new HashMap();
public ClientJarWriter(final ExtendedDeploymentContext deploymentContext) {
this.deploymentContext = deploymentContext;
name = VersioningUtils.getUntaggedName(deploymentContext.getCommandParameters(DeployCommandParameters.class).name());
}
public void run() throws IOException {
/*
* Only generate the JAR if we would not already have done so.
*/
if (isArtifactsPresent()) {
deplLogger.log(Level.FINE, "Skipping possible client JAR generation because it would already have been done");
return;
}
final Artifacts downloadableArtifacts =
DeploymentUtils.downloadableArtifacts(deploymentContext);
final Artifacts generatedArtifacts =
DeploymentUtils.generatedArtifacts(deploymentContext);
final File clientJarFile = createClientJARIfNeeded(deploymentContext, name);
if (clientJarFile == null) {
deplLogger.log(Level.FINE, "No client JAR generation is needed.");
} else {
deplLogger.log(Level.FINE, "Generated client JAR {0} for possible download", clientJarFile.getAbsolutePath());
downloadableArtifacts.addArtifact(clientJarFile.toURI(), clientJarFile.getName());
generatedArtifacts.addArtifact(clientJarFile.toURI(), clientJarFile.getName());
}
}
private boolean isArtifactsPresent() {
return deploymentContext.getCommandParameters(OpsParams.class).origin.isArtifactsPresent();
}
private File createClientJARIfNeeded(final ExtendedDeploymentContext deploymentContext,
final String appName) throws IOException {
final ClientArtifactsManager clientArtifactsManager =
ClientArtifactsManager.get(deploymentContext);
if (clientArtifactsManager.isEmpty()) {
return null;
}
/*
* Make sure the scratch directories are there.
*/
deploymentContext.prepareScratchDirs();
final String generatedClientJARName = generatedClientJARNameAndType(appName);
final File generatedClientJARFile = new File(deploymentContext.getScratchDir("xml"),
generatedClientJARName);
/*
* The app client deployer might have already created the generated JAR
* file. In that case we need to merge its contents with what has been
* registered with the client artifacts manager.
*/
File movedPreexistingFile = null;
if (generatedClientJARFile.exists()) {
try {
movedPreexistingFile = mergeContentsToClientArtifactsManager(generatedClientJARFile, clientArtifactsManager);
} catch (URISyntaxException ex) {
throw new IOException(ex);
}
}
/*
* We need our own copy of the artifacts collection because we might
* need to add the manifest to it if a manifst is not already in the collection.
* The client artifacts manager returns an unalterable collection.
*/
final Collection artifacts = new ArrayList(clientArtifactsManager.artifacts());
OutputJarArchive generatedClientJAR = new OutputJarArchive();
try {
try {
generatedClientJAR.create(generatedClientJARFile.toURI());
if ( ! isManifestPresent(artifacts)) {
/*
* Add a simple manifest.
*/
deplLogger.log(Level.FINER, "Adding a simple manifest; one was not already generated");
addManifest(artifacts);
}
copyArtifactsToClientJAR(generatedClientJAR, artifacts);
} finally {
generatedClientJAR.close();
}
} catch (IOException ex) {
FileUtils.deleteFileNowOrLater(generatedClientJARFile);
} finally {
if (movedPreexistingFile != null) {
FileUtils.deleteFileNowOrLater(movedPreexistingFile);
}
}
return generatedClientJARFile;
}
private File mergeContentsToClientArtifactsManager(
final File generatedClientJARFile,
final ClientArtifactsManager clientArtifactsManager) throws IOException, URISyntaxException {
/*
* First, move the existing JAR to another name so when the caller
* creates the generated client JAR it does not overwrite the existing
* file created by the app client deployer.
*/
final File movedGeneratedFile = File.createTempFile(generatedClientJARFile.getName(), ".tmp", generatedClientJARFile.getParentFile());
FileUtils.renameFile(generatedClientJARFile, movedGeneratedFile);
final ReadableArchive existingGeneratedJAR = new InputJarArchive();
existingGeneratedJAR.open(movedGeneratedFile.toURI());
try {
for (Enumeration e = existingGeneratedJAR.entries(); e.hasMoreElements();) {
final String entryName = (String) e.nextElement();
final URI entryURI = new URI("jar", movedGeneratedFile.toURI().toASCIIString() + "!/" + entryName, null);
final Artifacts.FullAndPartURIs uris = new Artifacts.FullAndPartURIs(entryURI, entryName);
clientArtifactsManager.add(uris);
}
/*
* Handle the manifest explicitly because the Archive entries()
* method consciously omits it.
*/
final Artifacts.FullAndPartURIs manifestURIs = new Artifacts.FullAndPartURIs(
new URI("jar", movedGeneratedFile.toURI().toASCIIString() + "!/" + JarFile.MANIFEST_NAME, null), JarFile.MANIFEST_NAME);
clientArtifactsManager.add(manifestURIs);
return movedGeneratedFile;
} finally {
existingGeneratedJAR.close();
}
}
private boolean isManifestPresent(final Collection artifacts) {
boolean isManifestPresent = false;
for (Artifacts.FullAndPartURIs a : artifacts) {
isManifestPresent |= a.getPart().toASCIIString().equals(JarFile.MANIFEST_NAME);
}
return isManifestPresent;
}
private void addManifest(final Collection artifacts) throws IOException {
final File mfFile = File.createTempFile("clientmf", ".MF");
final OutputStream mfOS = new BufferedOutputStream(new FileOutputStream(mfFile));
try {
final Manifest mf = new Manifest();
mf.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
mf.write(mfOS);
} finally {
mfOS.close();
}
artifacts.add(new Artifacts.FullAndPartURIs(mfFile.toURI(), JarFile.MANIFEST_NAME, true /* isTemporary */));
}
private static String generatedClientJARNameAndType(final String earName) {
return generatedClientJARPrefix(earName) + ".jar";
}
private static String generatedClientJARPrefix(final String earName) {
return earName + "Client";
}
private void copyArtifactsToClientJAR(
final WritableArchive generatedClientJARArchive,
final Collection artifacts) throws IOException {
final Set pathsWrittenToJAR = new HashSet();
StringBuilder copiedFiles = (deplLogger.isLoggable(Level.FINER)) ? new StringBuilder() : null;
for (Artifacts.FullAndPartURIs artifact : artifacts) {
/*
* Make sure all ancestor directories are present in the JAR
* as empty entries.
*/
String artPath = artifact.getPart().getRawPath();
int previousSlash = artPath.indexOf('/');
while (previousSlash != -1) {
String partialAncestorPath = artPath.substring(0, previousSlash + 1);
if ( ! pathsWrittenToJAR.contains(partialAncestorPath)) {
generatedClientJARArchive.putNextEntry(partialAncestorPath);
generatedClientJARArchive.closeEntry();
pathsWrittenToJAR.add(partialAncestorPath);
}
previousSlash = artPath.indexOf('/', previousSlash + 1);
}
OutputStream os = generatedClientJARArchive.putNextEntry(artifact.getPart().toASCIIString());
InputStream is = null;
try {
final URI fullURI = artifact.getFull();
final String scheme = fullURI.getScheme();
if (scheme.equals("file")) {
is = new BufferedInputStream(new FileInputStream(new File(artifact.getFull())));
} else if (scheme.equals("jar")) {
final String ssp = fullURI.getSchemeSpecificPart();
URI jarURI = new URI(ssp.substring(0, ssp.indexOf("!/")));
JarFile jf = jarFiles.get(jarURI);
if (jf == null) {
jf = new JarFile(new File(jarURI));
jarFiles.put(jarURI, jf);
}
final String entryName = ssp.substring(ssp.indexOf("!/") + 2);
final JarEntry jarEntry = jf.getJarEntry(entryName);
is = jf.getInputStream(jarEntry);
} else {
throw new IllegalArgumentException(scheme + " != [file,jar]");
}
DeploymentUtils.copyStream(is, os);
if (copiedFiles != null) {
copiedFiles.append(LINE_SEP).
append(" ").
append(artifact.getFull().toASCIIString()).
append(" -> ").
append(artifact.getPart().toASCIIString());
}
} catch (Exception ex) {
deplLogger.log(Level.WARNING, EXCEPTION_CAUGHT, ex.getLocalizedMessage());
} finally {
if (is != null) {
is.close();
}
generatedClientJARArchive.closeEntry();
if (artifact.isTemporary()) {
FileUtils.deleteFileNowOrLater(new File(artifact.getFull()));
}
}
}
if (copiedFiles != null) {
deplLogger.log(Level.FINER, copiedFiles.toString());
}
}
}