1 package org.apache.maven.building; 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 java.io.ByteArrayInputStream; 23 import java.io.IOException; 24 import java.io.InputStream; 25 26 /** 27 * Wraps an ordinary {@link CharSequence} as a source. 28 * 29 * @author Benjamin Bentmann 30 */ 31 public class StringSource 32 implements Source 33 { 34 35 private String content; 36 37 private String location; 38 39 /** 40 * Creates a new source backed by the specified string. 41 * 42 * @param content The String representation, may be empty or {@code null}. 43 */ 44 public StringSource( CharSequence content ) 45 { 46 this( content, null ); 47 } 48 49 /** 50 * Creates a new source backed by the specified string. 51 * 52 * @param content The String representation, may be empty or {@code null}. 53 * @param location The location to report for this use, may be {@code null}. 54 */ 55 public StringSource( CharSequence content, String location ) 56 { 57 this.content = ( content != null ) ? content.toString() : ""; 58 this.location = ( location != null ) ? location : "(memory)"; 59 } 60 61 @Override 62 public InputStream getInputStream() 63 throws IOException 64 { 65 return new ByteArrayInputStream( content.getBytes( "UTF-8" ) ); 66 } 67 68 @Override 69 public String getLocation() 70 { 71 return location; 72 } 73 74 /** 75 * Gets the content of this source. 76 * 77 * @return The underlying character stream, never {@code null}. 78 */ 79 public String getContent() 80 { 81 return content; 82 } 83 84 @Override 85 public String toString() 86 { 87 return getLocation(); 88 } 89 90 }