net.bull.javamelody.internal.web.pdf.PdfHotspotsReport.java Source code

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Here is the source code for net.bull.javamelody.internal.web.pdf.PdfHotspotsReport.java

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/*
 * Copyright 2008-2017 by Emeric Vernat
 *
 *     This file is part of Java Melody.
 *
 * 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 net.bull.javamelody.internal.web.pdf;

import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.pdf.PdfPCell;

import net.bull.javamelody.internal.common.I18N;
import net.bull.javamelody.internal.model.SamplingProfiler.SampledMethod;

/**
 * Rapport pdf pour les hotspots du sampling.
 * @author Emeric Vernat
 */
class PdfHotspotsReport extends PdfAbstractTableReport {
    private final List<SampledMethod> hotspots;
    private final long totalCount;
    private final DecimalFormat percentFormat = I18N.createPercentFormat();

    PdfHotspotsReport(List<SampledMethod> hotspots, Document document) {
        super(document);
        assert hotspots != null;

        this.hotspots = hotspots;

        long total = 0;
        for (final SampledMethod hotspot : hotspots) {
            total += hotspot.getCount();
        }
        this.totalCount = total;
    }

    @Override
    void toPdf() throws DocumentException {
        writeHeader();

        writeHotspots();
    }

    private void writeHotspots() throws DocumentException {
        for (final SampledMethod hotspot : hotspots) {
            nextRow();
            writeHotspot(hotspot);
        }
        addTableToDocument();
    }

    private void writeHeader() throws DocumentException {
        final List<String> headers = createHeaders();
        final int[] relativeWidths = new int[headers.size()];
        Arrays.fill(relativeWidths, 0, headers.size(), 1);
        relativeWidths[0] = 12; // mthode

        initTable(headers, relativeWidths);
    }

    private List<String> createHeaders() {
        final List<String> headers = new ArrayList<String>();
        headers.add(getString("Methode_executee"));
        headers.add(getString("percent_time"));
        return headers;
    }

    private void writeHotspot(SampledMethod hotspot) {
        final PdfPCell defaultCell = getDefaultCell();
        defaultCell.setHorizontalAlignment(Element.ALIGN_LEFT);
        addCell(hotspot.getClassName() + '.' + hotspot.getMethodName());
        defaultCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
        final double percent = 100d * hotspot.getCount() / totalCount;
        addCell(percentFormat.format(percent));
    }
}