1 /* 2 * Copyright 2006 the mime4j project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.apache.james.mime4j.field; 17 18 import java.util.HashMap; 19 import java.util.Map; 20 21 public class DelegatingFieldParser implements FieldParser { 22 23 private Map<String, FieldParser> parsers = new HashMap<String, FieldParser>(); 24 private FieldParser defaultParser = new UnstructuredField.Parser(); 25 26 /** 27 * Sets the parser used for the field named <code>name</code>. 28 * @param name the name of the field 29 * @param parser the parser for fields named <code>name</code> 30 */ setFieldParser(final String name, final FieldParser parser)31 public void setFieldParser(final String name, final FieldParser parser) { 32 parsers.put(name.toLowerCase(), parser); 33 } 34 getParser(final String name)35 public FieldParser getParser(final String name) { 36 final FieldParser field = parsers.get(name.toLowerCase()); 37 if(field==null) { 38 return defaultParser; 39 } 40 return field; 41 } 42 parse(final String name, final String body, final String raw)43 public Field parse(final String name, final String body, final String raw) { 44 final FieldParser parser = getParser(name); 45 return parser.parse(name, body, raw); 46 } 47 } 48