de.u808.simpleinquest.indexer.impl.AbstractIndexer.java Source code

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Here is the source code for de.u808.simpleinquest.indexer.impl.AbstractIndexer.java

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/*
 * Copyright 2008-2009 Andreas Friedel
 *
 * Licensed 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 de.u808.simpleinquest.indexer.impl;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;

import de.u808.simpleinquest.indexer.Indexer;

public abstract class AbstractIndexer implements Indexer {

    protected Document document;

    protected File file;

    private static Log log = LogFactory.getLog(AbstractIndexer.class);

    public Document indexFile(File file) throws FileNotFoundException {
        this.file = file;
        this.document = FileDocument.Document(file);
        try {
            this.setContentsFild(file);
        } catch (IndexerException ie) {
            log.error(ie.getMessage());
        } catch (Exception e) {
            log.error("Exception while fetch content of file: " + file.toString(), e);
            if (this.document != null) {
                List<Field> fields = this.document.getFields();
                if (fields != null) {
                    for (Field f : fields) {
                        document.removeField(f.name());
                    }
                }
                this.document = null;
            }
        } finally {
            this.file = null;
        }
        return document;
    }

    public abstract void setContentsFild(File file) throws Exception;

}