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 javax.xml.transform.stream.StreamSource; 020 import java.io.*; 021 022 /** 023 * A helper class which provides a JAXP {@link javax.xml.transform.Source Source} from a String which can 024 * be read as many times as required. 025 * 026 * @version $Revision: 42505 $ 027 */ 028 public class StringSource extends StreamSource implements Externalizable { 029 private String text; 030 private String encoding = "UTF-8"; 031 032 public StringSource() { 033 } 034 035 public StringSource(String text) { 036 if (text == null) { 037 throw new NullPointerException("text can not be null"); 038 } 039 this.text = text; 040 } 041 042 public StringSource(String text, String systemId) { 043 this(text); 044 setSystemId(systemId); 045 } 046 047 public StringSource(String text, String systemId, String encoding) { 048 this.text = text; 049 this.encoding = encoding; 050 setSystemId(systemId); 051 } 052 053 public InputStream getInputStream() { 054 try { 055 return new ByteArrayInputStream(text.getBytes(encoding)); 056 } catch (UnsupportedEncodingException e) { 057 throw new RuntimeException(e); 058 } 059 } 060 061 public Reader getReader() { 062 return new StringReader(text); 063 } 064 065 public String toString() { 066 return "StringSource[" + text + "]"; 067 } 068 069 public String getText() { 070 return text; 071 } 072 073 public String getEncoding() { 074 return encoding; 075 } 076 077 public void setEncoding(String encoding) { 078 this.encoding = encoding; 079 } 080 081 public void setText(String text) { 082 this.text = text; 083 } 084 085 public void writeExternal(ObjectOutput out) throws IOException { 086 out.writeUTF(text); 087 out.writeUTF(encoding); 088 out.writeUTF(getPublicId()); 089 out.writeUTF(getSystemId()); 090 } 091 092 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { 093 text = in.readUTF(); 094 encoding = in.readUTF(); 095 setPublicId(in.readUTF()); 096 setSystemId(in.readUTF()); 097 } 098 }