info.joseluismartin.gtc.Tile.java Source code

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Here is the source code for info.joseluismartin.gtc.Tile.java

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/*
 * Copyright 20010-2012 the original author or authors.
 *
 * 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 info.joseluismartin.gtc;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 *  Tile holding raw bit data image and tile info: x, y and zoom level.
 *  
 * @author Jose Luis Martin
 */
public class Tile {

    private static final Log log = LogFactory.getLog(Tile.class);
    /** tile x */
    private int x;
    /** tile y */
    private int y;
    /** tile zomm level */
    private int zoom;
    /** tile image as byte array */
    private byte[] image;
    /** used from some caches (like google maps) */
    private String type = "";
    /** layer */
    private String layer;
    /** mime type */
    private String mimeType;

    public Tile() {
    }

    /**
     * @param x
     * @param y
     * @param zoom
     */
    public Tile(int x, int y, int zoom) {
        this.x = x;
        this.y = y;
        this.zoom = zoom;
    }

    public void load(String path) {
        try {
            image = FileUtils.readFileToByteArray(new File(path));
        } catch (IOException e) {
            log.error(e);
        }
    }

    /**
     * @return key from tile data
     */
    public int getKey() {
        return new HashCodeBuilder(31, 99).append(layer).append(type).append(x).append(y).append(zoom).toHashCode();
    }

    public String getFileExension() {
        return StringUtils.substringAfter(mimeType, "/");
    }

    // Getters and Setters

    public int getX() {
        return x;
    }

    public void setX(int x) {
        this.x = x;
    }

    public int getY() {
        return y;
    }

    public void setY(int y) {
        this.y = y;
    }

    public int getZoom() {
        return zoom;
    }

    public void setZoom(int zoom) {
        this.zoom = zoom;
    }

    public byte[] getImage() {
        return image;
    }

    public void setImage(byte[] image) {
        this.image = image;
    }

    public boolean isEmpty() {
        return image == null;
    }

    /**
     * @return the type
     */
    public String getType() {
        return type;
    }

    /**
     * @param type the type to set
     */
    public void setType(String type) {
        this.type = type;
    }

    /**
     * @return the layer
     */
    public String getLayer() {
        return layer;
    }

    /**
     * @param layer the layer to set
     */
    public void setLayer(String layer) {
        this.layer = layer;
    }

    /**
     * @return the mimeType
     */
    public String getMimeType() {
        return mimeType;
    }

    /**
     * @param mimeType the mimeType to set
     */
    public void setMimeType(String mimeType) {
        this.mimeType = mimeType;
    }

}