com.attribyte.essem.model.DisplayTZ.java Source code

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Here is the source code for com.attribyte.essem.model.DisplayTZ.java

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/*
 * Copyright 2014 Attribyte, LLC
 *
 * 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.attribyte.essem.model;

import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
import com.google.common.io.CharStreams;

import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;

/**
 * A timezone for display.
 */
public class DisplayTZ {

    /**
     * Split with '='.
     */
    private static Splitter eqSplitter = Splitter.on('=').omitEmptyStrings().trimResults();

    /**
     * Parse a file of the format [id] = [name].
     * @param file The file to parse.
     * @return The list of display zones.
     * @throws IOException on parse error.
     */
    public static final List<DisplayTZ> parse(final File file) throws IOException {
        List<String> lines = CharStreams.readLines(new FileReader(file));
        List<DisplayTZ> tzList = Lists.newArrayListWithExpectedSize(lines.size());
        for (String line : lines) {
            line = line.trim();
            if (line.length() > 0 && !line.startsWith("#")) {
                Iterator<String> iter = eqSplitter.split(line).iterator();
                if (iter.hasNext()) {
                    String id = iter.next();
                    if (iter.hasNext()) {
                        String display = iter.next();
                        tzList.add(new DisplayTZ(id, display));
                    }
                }
            }
        }
        return tzList;
    }

    /**
     * Creates the zone.
     * @param id The zone id.
     * @param display The name for display.
     */
    public DisplayTZ(final String id, final String display) {
        this.id = id;
        this.display = display;
    }

    /**
     * The zone id.
     */
    public final String id;

    /**
     * The name for display.
     */
    public final String display;
}