| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.javafx2.project; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.URL; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.stream.StreamResult; |
| import javax.xml.transform.stream.StreamSource; |
| import org.netbeans.api.project.ProjectManager; |
| import org.netbeans.spi.project.support.ant.AntProjectHelper; |
| import org.openide.filesystems.FileLock; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileSystem; |
| import org.openide.filesystems.FileUtil; |
| import org.openide.util.Mutex; |
| import org.openide.util.MutexException; |
| import org.openide.util.UserQuestionException; |
| import org.openide.util.Utilities; |
| |
| /** |
| * Modified from org.netbeans.spi.project.support.ant.GeneratedFilesHelper |
| * to enable FX customization of build.xml contents without changes in SE code. |
| * |
| * @author Petr Somol |
| */ |
| public final class JFXGeneratedFilesHelper { |
| |
| /** |
| * Create <code>build.xml</code> from <code>project.xml</code> plus a supplied XSLT stylesheet, |
| * overwriting the one coming from SE project. This method is a modified copy of |
| * org.netbeans.spi.project.support.ant.GeneratedFilesHelper.generateBuildScriptFromStylesheet(). |
| * It attempts to overwrite, but does not react in case of failure and never updates genfiles |
| * (in order to prevent SE project open hook from regenerating build.xml back to SE version). |
| * <p> |
| * Acquires write access. |
| * </p> |
| * @param h project's AntProjectHelper |
| * @param path a project-relative file path - expectedly {@link #BUILD_XML_PATH} |
| * @param stylesheet a URL to an XSLT stylesheet accepting <code>project.xml</code> |
| * as input and producing the build script as output |
| * @throws IOException if transforming or writing the output failed |
| */ |
| public static void generateBuildScriptFromStylesheet(final AntProjectHelper h, final String path, final URL stylesheet) throws IOException { |
| if (h == null) { |
| throw new IllegalArgumentException("Null AntProjectHelper"); // NOI18N |
| } |
| if (path == null) { |
| throw new IllegalArgumentException("Null path"); // NOI18N |
| } |
| if (stylesheet == null) { |
| throw new IllegalArgumentException("Null stylesheet"); // NOI18N |
| } |
| final FileObject dir = h.getProjectDirectory(); |
| try { |
| ProjectManager.mutex().writeAccess(new Mutex.ExceptionAction<Void>() { |
| public Void run() throws IOException { |
| // Need to use an atomic action since otherwise creating new build scripts might |
| // cause them to not be recognized as Ant scripts. |
| dir.getFileSystem().runAtomicAction(new FileSystem.AtomicAction() { |
| public void run() throws IOException { |
| FileObject projectXml = dir.getFileObject(AntProjectHelper.PROJECT_XML_PATH); |
| if (projectXml == null) { |
| throw new IOException("Missing project metadata: " + h.resolveFile(AntProjectHelper.PROJECT_XML_PATH)); // NOI18N |
| } |
| byte[] projectXmlData; |
| InputStream is = projectXml.getInputStream(); |
| try { |
| projectXmlData = load(is); |
| } finally { |
| is.close(); |
| } |
| byte[] stylesheetData; |
| is = stylesheet.openStream(); |
| try { |
| stylesheetData = load(is); |
| } finally { |
| is.close(); |
| } |
| final byte[] resultData; |
| TransformerFactory tf = TransformerFactory.newInstance(); |
| try { |
| StreamSource stylesheetSource = new StreamSource( |
| new ByteArrayInputStream(stylesheetData), stylesheet.toExternalForm()); |
| Transformer t = tf.newTransformer(stylesheetSource); |
| File projectXmlF = FileUtil.toFile(projectXml); |
| assert projectXmlF != null; |
| StreamSource projectXmlSource = new StreamSource( |
| new ByteArrayInputStream(projectXmlData), projectXmlF.toURI().toString()); |
| ByteArrayOutputStream result = new ByteArrayOutputStream(); |
| t.transform(projectXmlSource, new StreamResult(result)); |
| resultData = result.toByteArray(); |
| } catch (TransformerException e) { |
| throw (IOException)new IOException(e.toString()).initCause(e); |
| } |
| final FileSystem.AtomicAction body = new FileSystem.AtomicAction() { |
| public void run() throws IOException { |
| final FileObject buildScriptXml = FileUtil.createData(dir, path); |
| assert buildScriptXml.isValid(); |
| FileLock lock1 = buildScriptXml.lock(); |
| try { |
| OutputStream os1 = new EolFilterOutputStream(buildScriptXml.getOutputStream(lock1)); |
| try { |
| os1.write(resultData); |
| } finally { |
| os1.close(); |
| } |
| } finally { |
| lock1.releaseLock(); |
| } |
| } |
| }; |
| try { |
| body.run(); |
| } catch (UserQuestionException uqe) { |
| // no reaction needed here |
| } |
| } |
| }); |
| return null; |
| } |
| }); |
| } catch (MutexException e) { |
| throw (IOException)e.getException(); |
| } |
| } |
| |
| /** |
| * Load data from a stream into a buffer. |
| */ |
| private static byte[] load(InputStream is) throws IOException { |
| int size = Math.max(1024, is.available()); // #46235 |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(size); |
| byte[] buf = new byte[size]; |
| int read; |
| while ((read = is.read(buf)) != -1) { |
| baos.write(buf, 0, read); |
| } |
| return baos.toByteArray(); |
| } |
| |
| // #45373 - workaround: on Windows make sure that all lines end with CRLF. |
| // marcow: Use at least some buffered output! |
| private static class EolFilterOutputStream extends BufferedOutputStream { |
| |
| private boolean isActive = Utilities.isWindows(); |
| private int last = -1; |
| |
| public EolFilterOutputStream(OutputStream os) { |
| super(os, 4096); |
| } |
| |
| @Override |
| public void write(byte[] b, int off, int len) throws IOException { |
| if (isActive) { |
| for (int i = off; i < off + len; i++) { |
| write(b[i]); |
| } |
| } |
| else { |
| super.write(b, off, len); |
| } |
| } |
| |
| @Override |
| public void write(int b) throws IOException { |
| if (isActive) { |
| if (b == '\n' && last != '\r') { |
| super.write('\r'); |
| } |
| last = b; |
| } |
| super.write(b); |
| } |
| |
| } |
| |
| } |