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/*******************************************************************************
* Copyright (c) 2009 Red Hat, 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:
* Red Hat Incorporated - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.rpmstubby;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.linuxtools.internal.rpmstubby.model.PomModel;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
/**
* Generator for RPM specfile from maven pom.xml.
*
*/
public class StubbyPomGenerator {
private PomModel model;
/**
* Creates the generator by parsing the pom.xml file.
* @param pomFile The pom.xml file to generate specfile for.
*/
public StubbyPomGenerator(IFile pomFile) {
parse(pomFile);
}
private void parse(IFile pomFile) {
DocumentBuilderFactory docfactory = DocumentBuilderFactory
.newInstance();
DocumentBuilder docbuilder;
try {
docbuilder = docfactory.newDocumentBuilder();
Document docroot = docbuilder.parse(pomFile.getContents());
model = new PomModel(docroot);
} catch (ParserConfigurationException e) {
StubbyLog.logError(e);
} catch (SAXException e) {
StubbyLog.logError(e);
} catch (IOException e) {
StubbyLog.logError(e);
} catch (CoreException e) {
StubbyLog.logError(e);
}
}
/**
* Generates a RPM specfile based on the parsed data from the pom file.
*
* @return The generated specfile.
*/
public String generateSpecfile() {
StringBuilder buffer = new StringBuilder();
String packageName = model.getPackageName();
buffer.append("Name: " + packageName.toLowerCase() + "\n");
buffer.append("Version: " + model.getVersion() + "\n");
buffer.append("Release: 1%{?dist}" + "\n");
buffer.append("Summary: " + model.getSummary() + "\n\n");
buffer.append("Group: Development/Libraries\n");
buffer.append("License: " + model.getLicense() + "\n");
buffer.append("URL: " + model.getURL() + "\n");
buffer.append("Source0: #FIXME\n");
buffer.append("BuildArch: noarch\n\n");
generateRequires(buffer);
buffer.append("\n%description\n" + model.getDescription() + "\n\n");
generateJavadocSubpackage(buffer);
generatePrepSection(buffer);
generateBuildSection(buffer);
generateInstallSection(buffer);
generateFilesSections(buffer);
generateChangelog(buffer);
return buffer.toString();
}
private void generateRequires(StringBuilder buffer) {
for (Map.Entry<String,String> entry : model.getDependencies().entrySet()) {
buffer.append("BuildRequires: mvn("+entry.getKey()+":"+entry.getValue()+")\n");
}
for (Map.Entry<String,String> entry : model.getDependencies().entrySet()) {
buffer.append("Requires: mvn("+entry.getKey()+":"+entry.getValue()+")\n");
}
}
private void generateJavadocSubpackage(StringBuilder buffer) {
buffer.append("%package javadoc\n");
buffer.append("Group: Documentation\n");
buffer.append("Summary: Javadoc for %{name}\n");
buffer.append("Requires: jpackage-utils\n\n");
buffer.append("%description javadoc\n");
buffer.append("API documentation for %{name}.\n\n");
}
private void generateChangelog(StringBuilder buffer) {
buffer.append("%changelog\n\n");
buffer.append("#FIXME\n");
}
private void generateInstallSection(StringBuilder buffer) {
buffer.append("%install\n");
buffer.append("# jars\n");
buffer.append("install -d -m 0755 %{buildroot}%{_javadir}\n");
buffer
.append("install -m 644 target/%{name}-%{version}.jar %{buildroot}%{_javadir}/%{name}.jar\n\n");
buffer.append("# poms\n");
buffer
.append("install -d -m 755 %{buildroot}%{_mavenpomdir}\n");
buffer.append("install -pm 644 pom.xml \\\n");
buffer
.append(" %{buildroot}%{_mavenpomdir}/JPP.%{name}.pom\n\n");
buffer.append("%add_maven_depmap JPP.%{name}.pom %{name}.jar\n\n");
buffer.append("# javadoc\n");
buffer
.append("install -d -m 0755 %{buildroot}%{_javadocdir}/%{name}\n");
buffer
.append("cp -pr target/site/api*/* %{buildroot}%{_javadocdir}/%{name}/\n");
buffer.append("rm -rf target/site/api*\n\n");
}
private void generateFilesSections(StringBuilder buffer) {
buffer.append("%files\n");
buffer.append("%{_javadir}/*\n");
buffer.append("%{_mavenpomdir}/*\n");
buffer.append("%{_mavendepmapfragdir}/*\n\n");
buffer.append("%files javadoc\n");
buffer.append("%{_javadocdir}/%{name}\n\n");
}
private void generatePrepSection(StringBuilder buffer) {
buffer.append("\n%prep\n");
buffer.append("%setup -q #You may need to update this according to your Source0\n\n");
}
private void generateBuildSection(StringBuilder buffer) {
buffer.append("%build\n");
buffer.append("mvn-rpmbuild \\\n");
buffer.append(" -e \\\n");
buffer.append(" install javadoc:javadoc\n\n");
}
/**
* Writes the given contents to a file with the given fileName in the
* specified project.
*
* @param projectName
* The name of the project to put the file into.
* @throws CoreException
* Thrown when the project doesn't exist.
*/
public void writeContent(String projectName) throws CoreException {
String fileName = model.getPackageName().toLowerCase() + ".spec";
String contents = generateSpecfile();
InputStream contentInputStream = new ByteArrayInputStream(contents
.getBytes());
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IResource resource = root.findMember(new Path(projectName));
if (!resource.exists() || !(resource instanceof IContainer)) {
throwCoreException("Project \"" + projectName
+ "\" does not exist.");
}
IContainer container = (IContainer) resource;
final IFile file = container.getFile(new Path(fileName));
try {
InputStream stream = contentInputStream;
if (file.exists()) {
file.setContents(stream, true, true, null);
} else {
file.create(stream, true, null);
}
stream.close();
} catch (IOException e) {
StubbyLog.logError(e);
}
StubbyPlugin.getActiveWorkbenchShell().getDisplay().asyncExec(
new Runnable() {
public void run() {
IWorkbenchPage page = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage();
try {
IDE.openEditor(page, file, true);
} catch (PartInitException e) {
StubbyLog.logError(e);
}
}
});
}
private void throwCoreException(String message) throws CoreException {
IStatus status = new Status(IStatus.ERROR, StubbyPlugin.PLUGIN_ID,
IStatus.OK, message, null);
throw new CoreException(status);
}
}
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