/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.stanbol.enhancer.nlp.json.valuetype.impl;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.ConfigurationPolicy;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Service;
import org.apache.stanbol.enhancer.nlp.json.valuetype.ValueTypeParser;
import org.apache.stanbol.enhancer.nlp.json.valuetype.ValueTypeSerializer;
import org.apache.stanbol.enhancer.nlp.phrase.PhraseTag;
import org.apache.stanbol.enhancer.nlp.pos.LexicalCategory;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component(immediate=true,policy=ConfigurationPolicy.IGNORE)
@Service(value={ValueTypeParser.class,ValueTypeSerializer.class})
@Property(name=ValueTypeParser.PROPERTY_TYPE, value=PhraseTagSupport.TYPE_VALUE)
public class PhraseTagSupport implements ValueTypeParser<PhraseTag>, ValueTypeSerializer<PhraseTag> {
private final Logger log = LoggerFactory.getLogger(PhraseTagSupport.class);
public static final String TYPE_VALUE = "org.apache.stanbol.enhancer.nlp.ner.PhraseTag";
@Override
public Class<PhraseTag> getType() {
return PhraseTag.class;
}
@Override
public ObjectNode serialize(ObjectMapper mapper, PhraseTag value) {
ObjectNode jTag = mapper.createObjectNode();
jTag.put("tag",value.getTag());
if(value.getCategory() != null){
jTag.put("lc", value.getCategory().ordinal());
}
return jTag;
}
@Override
public PhraseTag parse(ObjectNode jValue) {
JsonNode tag = jValue.path("tag");
if(!tag.isTextual()){
throw new IllegalStateException("Unable to parse PhraseTag. The value of the "
+"'tag' field MUST have a textual value (json: "+jValue+")");
}
JsonNode jCat = jValue.path("lc");
LexicalCategory lc = null;
if(jCat.isTextual()){
try {
lc = LexicalCategory.valueOf(jCat.getTextValue());
} catch (IllegalArgumentException e) {
log.warn("Unable to parse category for PhraseTag from '"
+jCat.getTextValue()+"' (will create with tag only)!",e);
}
} else if(jCat.isInt()){
lc = LexicalCategory.values()[jCat.getIntValue()];
} else if(!jCat.isMissingNode()){
log.warn("Unable to parse category for PhraseTag from "+jCat
+"(will create with tag only)");
}
return new PhraseTag(tag.getTextValue(),lc);
}
}