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 org.apache.james.mime4j.codec.DecodeMonitor; 023import org.apache.james.mime4j.dom.FieldParser; 024import org.apache.james.mime4j.dom.field.ContentLocationField; 025import org.apache.james.mime4j.stream.Field; 026import org.apache.james.mime4j.stream.ParserCursor; 027import org.apache.james.mime4j.stream.RawField; 028import org.apache.james.mime4j.stream.RawFieldParser; 029import org.apache.james.mime4j.util.ByteSequence; 030import org.apache.james.mime4j.util.CharsetUtil; 031import org.apache.james.mime4j.util.ContentUtil; 032 033/** 034 * Represents a <code>Content-Location</code> field. 035 */ 036public class ContentLocationFieldLenientImpl extends AbstractField implements ContentLocationField { 037 038 private boolean parsed = false; 039 private String location; 040 041 ContentLocationFieldLenientImpl(Field rawField, DecodeMonitor monitor) { 042 super(rawField, monitor); 043 } 044 045 private void parse() { 046 parsed = true; 047 location = null; 048 RawField f = getRawField(); 049 ByteSequence buf = f.getRaw(); 050 int pos = f.getDelimiterIdx() + 1; 051 if (buf == null) { 052 String body = f.getBody(); 053 if (body == null) { 054 return; 055 } 056 buf = ContentUtil.encode(body); 057 pos = 0; 058 } 059 RawFieldParser parser = RawFieldParser.DEFAULT; 060 ParserCursor cursor = new ParserCursor(pos, buf.length()); 061 String token = parser.parseValue(buf, cursor, null); 062 StringBuilder sb = new StringBuilder(token.length()); 063 for (int i = 0; i < token.length(); i++) { 064 char ch = token.charAt(i); 065 if (!CharsetUtil.isWhitespace(ch)) { 066 sb.append(ch); 067 } 068 } 069 this.location = sb.toString(); 070 } 071 072 public String getLocation() { 073 if (!parsed) { 074 parse(); 075 } 076 return location; 077 } 078 079 public static final FieldParser<ContentLocationField> PARSER = new FieldParser<ContentLocationField>() { 080 081 public ContentLocationField parse(final Field rawField, final DecodeMonitor monitor) { 082 return new ContentLocationFieldLenientImpl(rawField, monitor); 083 } 084 085 }; 086 087} 088