1/* 2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.tools.internal.xjc; 27 28import java.io.File; 29import java.io.IOException; 30import java.io.OutputStream; 31import java.io.Writer; 32 33import com.sun.codemodel.internal.CodeWriter; 34import com.sun.codemodel.internal.JPackage; 35import com.sun.codemodel.internal.writer.FilterCodeWriter; 36 37/** 38 * {@link CodeWriter} that reports progress to {@link XJCListener}. 39 */ 40final class ProgressCodeWriter extends FilterCodeWriter { 41 42 private int current; 43 private final int totalFileCount; 44 45 public ProgressCodeWriter( CodeWriter output, XJCListener progress, int totalFileCount ) { 46 super(output); 47 this.progress = progress; 48 this.totalFileCount = totalFileCount; 49 if(progress==null) 50 throw new IllegalArgumentException(); 51 } 52 53 private final XJCListener progress; 54 55 @Override 56 public Writer openSource(JPackage pkg, String fileName) throws IOException { 57 report(pkg,fileName); 58 return super.openSource(pkg, fileName); 59 } 60 61 @Override 62 public OutputStream openBinary(JPackage pkg, String fileName) throws IOException { 63 report(pkg,fileName); 64 return super.openBinary(pkg,fileName); 65 } 66 67 /** 68 * Report progress to {@link XJCListener}. 69 * @param pkg The package of file being written. Value of {@code null} means that file has no package. 70 * @param fileName The file name being written. Value can't be {@code null}. 71 */ 72 private void report(final JPackage pkg, final String fileName) { 73 if (fileName == null) { 74 throw new IllegalArgumentException("File name is null"); 75 } 76 77 final String pkgName; 78 final String fileNameOut; 79 if (pkg != null && (pkgName = pkg.name().replace('.', File.separatorChar)).length() > 0 ) { 80 final StringBuilder sb = new StringBuilder(fileName.length() + pkgName.length() + 1); 81 sb.append(pkgName); 82 sb.append(File.separatorChar); 83 sb.append(fileName); 84 fileNameOut = sb.toString(); 85 } else { 86 fileNameOut = fileName; 87 } 88 89 if(progress.isCanceled()) 90 throw new AbortException(); 91 progress.generatedFile(fileNameOut, current++, totalFileCount); 92 } 93} 94