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Viewing changes to dom/src/main/java/org/apache/james/mime4j/field/ContentLanguageFieldImpl.java

  • Committer: Package Import Robot
  • Author(s): David Paleino
  • Date: 2013-11-03 11:13:27 UTC
  • mfrom: (2.1.2 experimental)
  • Revision ID: package-import@ubuntu.com-20131103111327-09huep00ex05z113
Tags: 0.7.2-2
* Upload to unstable
* Fixed Vcs-* fields in debian/control
* Updated debian/watch
* Standards-Version bump to 3.9.5, no changes needed

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dom/src/main/java/org/apache/james/mime4j/field/ContentLanguageFieldImpl.java
 
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/****************************************************************
 
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 * Licensed to the Apache Software Foundation (ASF) under one   *
 
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 * or more contributor license agreements.  See the NOTICE file *
 
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 * distributed with this work for additional information        *
 
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 * regarding copyright ownership.  The ASF licenses this file   *
 
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 * to you under the Apache License, Version 2.0 (the            *
 
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 * "License"); you may not use this file except in compliance   *
 
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 * with the License.  You may obtain a copy of the License at   *
 
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 *                                                              *
 
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 *   http://www.apache.org/licenses/LICENSE-2.0                 *
 
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 *                                                              *
 
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 * Unless required by applicable law or agreed to in writing,   *
 
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 * software distributed under the License is distributed on an  *
 
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 
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 * KIND, either express or implied.  See the License for the    *
 
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 * specific language governing permissions and limitations      *
 
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 * under the License.                                           *
 
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 ****************************************************************/
 
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package org.apache.james.mime4j.field;
 
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import java.io.StringReader;
 
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import java.util.ArrayList;
 
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import java.util.Collections;
 
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import java.util.List;
 
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import org.apache.james.mime4j.codec.DecodeMonitor;
 
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import org.apache.james.mime4j.dom.FieldParser;
 
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import org.apache.james.mime4j.dom.field.ContentLanguageField;
 
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import org.apache.james.mime4j.field.language.parser.ContentLanguageParser;
 
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import org.apache.james.mime4j.field.language.parser.ParseException;
 
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import org.apache.james.mime4j.stream.Field;
 
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/**
 
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 * Represents a <code>Content-Transfer-Encoding</code> field.
 
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 */
 
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public class ContentLanguageFieldImpl extends AbstractField implements ContentLanguageField {
 
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    private boolean parsed = false;
 
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    private List<String> languages;
 
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    private ParseException parseException;
 
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    ContentLanguageFieldImpl(Field rawField, DecodeMonitor monitor) {
 
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        super(rawField, monitor);
 
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    }
 
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    private void parse() {
 
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        parsed = true;
 
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        languages = Collections.<String>emptyList();
 
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        String body = getBody();
 
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        if (body != null) {
 
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            ContentLanguageParser parser = new ContentLanguageParser(new StringReader(body));
 
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            try {
 
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                languages = parser.parse();
 
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            } catch (ParseException ex) {
 
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                parseException = ex;
 
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            }
 
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        }
 
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    }
 
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    @Override
 
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    public org.apache.james.mime4j.dom.field.ParseException getParseException() {
 
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        return parseException;
 
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    }
 
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    public List<String> getLanguages() {
 
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        if (!parsed) {
 
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            parse();
 
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        }
 
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        return new ArrayList<String>(languages);
 
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    }
 
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    public static final FieldParser<ContentLanguageField> PARSER = new FieldParser<ContentLanguageField>() {
 
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        public ContentLanguageField parse(final Field rawField, final DecodeMonitor monitor) {
 
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            return new ContentLanguageFieldImpl(rawField, monitor);
 
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        }
 
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    };
 
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}
 
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