uk.co.bssd.reporting.chart.PngChartWriter.java Source code

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Here is the source code for uk.co.bssd.reporting.chart.PngChartWriter.java

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/*
 * Copyright 2002-2009 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 uk.co.bssd.reporting.chart;

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

import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;

public class PngChartWriter implements ChartWriter {

    private final File file;
    private final int height;
    private final int width;

    public PngChartWriter(String filename, int height, int width) {
        this(new File(filename), height, width);
    }

    public PngChartWriter(File file, int height, int width) {
        this.file = file;
        this.height = height;
        this.width = width;
    }

    @Override
    public void write(JFreeChart chart) {
        try {
            ChartUtilities.saveChartAsPNG(this.file, chart, this.width, this.height);
        } catch (IOException e) {
            throw new IllegalStateException("Unable to save chart", e);
        }
    }
}