| /* Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed 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.apache.xmlbeans.impl.tool; |
| |
| import org.apache.xmlbeans.XmlObject; |
| import org.apache.xmlbeans.XmlOptions; |
| import org.apache.xmlbeans.XmlException; |
| |
| import java.util.Set; |
| import java.util.HashSet; |
| import java.util.Collections; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.StringWriter; |
| |
| public class PrettyPrinter |
| { |
| private static final int DEFAULT_INDENT = 2; |
| |
| public static void printUsage() |
| { |
| System.out.println("Pretty prints XML files."); |
| System.out.println("Usage: xpretty [switches] file.xml"); |
| System.out.println("Switches:"); |
| System.out.println(" -indent # use the given indent"); |
| System.out.println(" -license prints license information"); |
| } |
| |
| public static void main(String[] args) |
| { |
| Set flags = new HashSet(); |
| flags.add("h"); |
| flags.add("help"); |
| flags.add("usage"); |
| flags.add("license"); |
| flags.add("version"); |
| |
| CommandLine cl = new CommandLine(args, flags, Collections.singleton("indent")); |
| |
| if (cl.getOpt("h") != null || cl.getOpt("help") != null || cl.getOpt("usage") != null) |
| { |
| printUsage(); |
| System.exit(0); |
| return; |
| } |
| |
| String[] badopts = cl.getBadOpts(); |
| if (badopts.length > 0) |
| { |
| for (int i = 0; i < badopts.length; i++) |
| System.out.println("Unrecognized option: " + badopts[i]); |
| printUsage(); |
| System.exit(0); |
| return; |
| } |
| |
| if (cl.getOpt("license") != null) |
| { |
| CommandLine.printLicense(); |
| System.exit(0); |
| return; |
| } |
| |
| if (cl.getOpt("version") != null) |
| { |
| CommandLine.printVersion(); |
| System.exit(0); |
| return; |
| } |
| |
| if (cl.args().length == 0) |
| { |
| printUsage(); |
| return; |
| } |
| |
| String indentStr = cl.getOpt("indent"); |
| int indent; |
| if (indentStr == null) |
| indent = DEFAULT_INDENT; |
| else |
| indent = Integer.parseInt(indentStr); |
| |
| File[] files = cl.getFiles(); |
| |
| for (int i = 0; i < files.length; i++) |
| { |
| XmlObject doc; |
| try |
| { |
| doc = XmlObject.Factory.parse(files[i], (new XmlOptions()).setLoadLineNumbers()); |
| } |
| catch (Exception e) |
| { |
| System.err.println(files[i] + " not loadable: " + e.getMessage()); |
| continue; |
| } |
| |
| try |
| { |
| doc.save(System.out, new XmlOptions().setSavePrettyPrint().setSavePrettyPrintIndent(indent)); |
| } |
| catch (IOException e) |
| { |
| System.err.println("Unable to pretty print " + files[i] + ": " + e.getMessage()); |
| } |
| } |
| } |
| |
| public static String indent(String xmldoc) |
| throws IOException, XmlException |
| { |
| StringWriter sw = new StringWriter(); |
| XmlObject doc = XmlObject.Factory.parse(xmldoc, (new XmlOptions()).setLoadLineNumbers()); |
| doc.save(sw, new XmlOptions().setSavePrettyPrint().setSavePrettyPrintIndent(DEFAULT_INDENT)); |
| sw.close(); |
| return sw.getBuffer().toString(); |
| } |
| } |