1 package org.apache.maven.scm.provider.perforce.command.diff; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import org.codehaus.plexus.util.cli.StreamConsumer; 23 24 import java.io.PrintWriter; 25 import java.io.StringWriter; 26 27 /** 28 * @author Mike Perham 29 */ 30 public class PerforceDiffConsumer 31 implements StreamConsumer 32 { 33 private StringWriter out = new StringWriter(); 34 35 private PrintWriter output = new PrintWriter( out ); 36 37 /* 38 * I don't see any easy way to distinguish between an error and 39 * normal diff output. I see two possibilities: 40 * 41 * 1) Use the p4 global "-s" parameter 42 * 2) Check for a non-zero code returned by the p4 process 43 * 44 * We'll do the latter as it's simpler to implement. 45 */ 46 /** {@inheritDoc} */ 47 public void consumeLine( String line ) 48 { 49 output.println( line ); 50 } 51 52 public String getOutput() 53 { 54 output.flush(); 55 out.flush(); 56 return out.toString(); 57 } 58 }