com.moz.fiji.schema.tools.synth.DictionaryLoader.java Source code

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Here is the source code for com.moz.fiji.schema.tools.synth.DictionaryLoader.java

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/**
 * (c) Copyright 2012 WibiData, Inc.
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * 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 com.moz.fiji.schema.tools.synth;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.StringUtils;

import com.moz.fiji.annotations.ApiAudience;

/**
 * Loads a dictionary file, which is simply a list of words, one per line.
 */
@ApiAudience.Private
public final class DictionaryLoader {
    /**
     * Creates a new <code>DictionaryLoader</code> instance.
     */
    public DictionaryLoader() {
    }

    /**
     * Loads the dictionary from a file.
     *
     * @param filename The path to a file of words, one per line.
     * @return The list of words from the file.
     * @throws IOException If there is an error reading the words from the file.
     */
    public List<String> load(String filename) throws IOException {
        FileInputStream fileStream = new FileInputStream(filename);
        try {
            return load(fileStream);
        } finally {
            fileStream.close();
        }
    }

    /**
     * Loads the dictionary from an input stream.
     *
     * @param inputStream The input stream of words, one per line.
     * @return The list of words from the stream.
     * @throws IOException If there is an error reading the words from the stream.
     */
    public List<String> load(InputStream inputStream) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
        List<String> dict = new ArrayList<String>();
        while (reader.ready()) {
            dict.add(StringUtils.strip(reader.readLine()));
        }
        return dict;
    }
}