001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.camel.converter.jaxp; 018 019 import java.io.ByteArrayInputStream; 020 import java.io.InputStream; 021 import java.io.Reader; 022 import java.io.Serializable; 023 import java.io.StringReader; 024 import java.io.UnsupportedEncodingException; 025 026 import javax.xml.transform.stream.StreamSource; 027 028 /** 029 * A helper class which provides a JAXP {@link javax.xml.transform.Source Source} from a String which can 030 * be read as many times as required. 031 * 032 * @version $Revision: 36635 $ 033 */ 034 public class StringSource extends StreamSource implements Serializable { 035 036 private final String text; 037 private String encoding = "UTF-8"; 038 039 public StringSource(String text) { 040 if (text == null) { 041 throw new NullPointerException("text can not be null"); 042 } 043 this.text = text; 044 } 045 046 public StringSource(String text, String systemId) { 047 this(text); 048 setSystemId(systemId); 049 } 050 051 public StringSource(String text, String systemId, String encoding) { 052 this.text = text; 053 this.encoding = encoding; 054 setSystemId(systemId); 055 } 056 057 public InputStream getInputStream() { 058 try { 059 return new ByteArrayInputStream(text.getBytes(encoding)); 060 } catch (UnsupportedEncodingException e) { 061 throw new RuntimeException(e); 062 } 063 } 064 065 public Reader getReader() { 066 return new StringReader(text); 067 } 068 069 public String toString() { 070 return "StringSource[" + text + "]"; 071 } 072 073 public String getText() { 074 return text; 075 } 076 077 }