de.tudarmstadt.ukp.dkpro.tc.core.io.DumpDataWriter.java Source code

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Here is the source code for de.tudarmstadt.ukp.dkpro.tc.core.io.DumpDataWriter.java

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/*******************************************************************************
 * Copyright 2015
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universitt Darmstadt
 * 
 * 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.tudarmstadt.ukp.dkpro.tc.core.io;

import java.io.File;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;

import de.tudarmstadt.ukp.dkpro.tc.api.features.FeatureStore;
import de.tudarmstadt.ukp.dkpro.tc.api.features.Instance;
import de.tudarmstadt.ukp.dkpro.tc.core.Constants;

/**
 * Dumps the feature store to a human readable file and also to the console. Mainly used for testing
 * purposes.
 * 
 * @author zesch
 * 
 */
public class DumpDataWriter implements DataWriter, Constants {

    /**
     * Public name of the dump file
     */
    public static final String DUMP_FILE_NAME = "fs.ser";

    @Override
    public void write(File outputDirectory, FeatureStore featureStore, boolean useDenseInstances,
            String learningMode, boolean applyWeighting) throws Exception {
        StringBuilder sb = new StringBuilder();
        sb.append(featureStore.getNumberOfInstances());
        sb.append("\n");
        sb.append(StringUtils.join(featureStore.getUniqueOutcomes(), ", "));
        sb.append("\n");
        for (Instance instance : featureStore.getInstances()) {
            sb.append(instance.toString());
        }
        System.out.println(sb.toString());
        FileUtils.writeStringToFile(new File(outputDirectory, DUMP_FILE_NAME), sb.toString());
    }
}