001/**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020package org.apache.james.mime4j.field; 021 022import java.io.StringReader; 023 024import org.apache.james.mime4j.codec.DecodeMonitor; 025import org.apache.james.mime4j.dom.FieldParser; 026import org.apache.james.mime4j.dom.field.ContentLocationField; 027import org.apache.james.mime4j.field.structured.parser.ParseException; 028import org.apache.james.mime4j.field.structured.parser.StructuredFieldParser; 029import org.apache.james.mime4j.stream.Field; 030 031/** 032 * Represents a <code>Content-Location</code> field. 033 */ 034public class ContentLocationFieldImpl extends AbstractField implements ContentLocationField { 035 036 private boolean parsed = false; 037 private String location; 038 private ParseException parseException; 039 040 ContentLocationFieldImpl(Field rawField, DecodeMonitor monitor) { 041 super(rawField, monitor); 042 } 043 044 private void parse() { 045 parsed = true; 046 String body = getBody(); 047 location = null; 048 if (body != null) { 049 StringReader stringReader = new StringReader(body); 050 StructuredFieldParser parser = new StructuredFieldParser(stringReader); 051 try { 052 // From RFC2017 3.1 053 /* 054 * Extraction of the URL string from the URL-parameter is even simpler: 055 * The enclosing quotes and any linear whitespace are removed and the 056 * remaining material is the URL string. 057 * Read more: http://www.faqs.org/rfcs/rfc2017.html#ixzz0aufO9nRL 058 */ 059 location = parser.parse().replaceAll("\\s", ""); 060 } catch (ParseException ex) { 061 parseException = ex; 062 } 063 } 064 } 065 066 public String getLocation() { 067 if (!parsed) { 068 parse(); 069 } 070 return location; 071 } 072 073 @Override 074 public org.apache.james.mime4j.dom.field.ParseException getParseException() { 075 return parseException; 076 } 077 078 public static final FieldParser<ContentLocationField> PARSER = new FieldParser<ContentLocationField>() { 079 080 public ContentLocationField parse(final Field rawField, final DecodeMonitor monitor) { 081 return new ContentLocationFieldImpl(rawField, monitor); 082 } 083 084 }; 085 086} 087