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.Source; 027 import javax.xml.transform.stream.StreamSource; 028 029 /** 030 * A helper class which provides a JAXP {@link Source} from a String 031 * which can be read as many times as required. 032 * 033 * @version $Revision: 523731 $ 034 */ 035 public class StringSource extends StreamSource implements Serializable { 036 037 private final String text; 038 private String encoding = "UTF-8"; 039 040 public StringSource(String text) { 041 if (text == null) { 042 throw new NullPointerException("text can not be null"); 043 } 044 this.text = text; 045 } 046 047 public StringSource(String text, String systemId) { 048 this(text); 049 setSystemId(systemId); 050 } 051 052 public StringSource(String text, String systemId, String encoding) { 053 this.text = text; 054 this.encoding=encoding; 055 setSystemId(systemId); 056 } 057 058 public InputStream getInputStream() { 059 try { 060 return new ByteArrayInputStream(text.getBytes(encoding)); 061 } catch (UnsupportedEncodingException e) { 062 throw new RuntimeException(e); 063 } 064 } 065 066 public Reader getReader() { 067 return new StringReader(text); 068 } 069 070 public String toString() { 071 return "StringSource[" + text + "]"; 072 } 073 074 public String getText() { 075 return text; 076 } 077 078 }