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

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Here is the source code for net.bull.javamelody.internal.web.pdf.PdfProcessInformationsReport.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.Anchor;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfPCell;

import net.bull.javamelody.internal.common.I18N;
import net.bull.javamelody.internal.model.ProcessInformations;
import net.bull.javamelody.internal.web.html.HtmlProcessInformationsReport;

/**
 * Rapport pdf pour les processus du systme d'exploitation.
 * @author Emeric Vernat
 */
class PdfProcessInformationsReport extends PdfAbstractTableReport {
    private final List<ProcessInformations> processInformationsList;
    private final boolean windows;
    private final DecimalFormat percentFormat = I18N.createPercentFormat();
    private final DecimalFormat integerFormat = I18N.createIntegerFormat();

    PdfProcessInformationsReport(List<ProcessInformations> processInformationsList, Document document) {
        super(document);
        assert processInformationsList != null;

        this.processInformationsList = processInformationsList;
        this.windows = HtmlProcessInformationsReport.isWindowsProcessList(processInformationsList);
    }

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

        writeProcessInformations();

        if (!windows) {
            addPsCommandReference();
        }
    }

    private void addPsCommandReference() throws DocumentException {
        final Anchor psAnchor = new Anchor("ps command reference", PdfFonts.BLUE.getFont());
        psAnchor.setName("ps command reference");
        psAnchor.setReference("http://en.wikipedia.org/wiki/Ps_(Unix)");
        psAnchor.setFont(PdfFonts.BLUE.getFont());
        final Paragraph psParagraph = new Paragraph();
        psParagraph.add(psAnchor);
        psParagraph.setAlignment(Element.ALIGN_RIGHT);
        addToDocument(psParagraph);
    }

    private void writeProcessInformations() throws DocumentException {
        for (final ProcessInformations processInformations : processInformationsList) {
            nextRow();
            writeProcessInformations(processInformations);
        }
        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);
        if (windows) {
            relativeWidths[0] = 2; // user
        }
        relativeWidths[headers.size() - 1] = 6; // command

        initTable(headers, relativeWidths);
    }

    private List<String> createHeaders() {
        final List<String> headers = new ArrayList<String>();
        headers.add(getString("Utilisateur"));
        headers.add(getString("PID"));
        if (!windows) {
            headers.add(getString("cpu"));
            headers.add(getString("mem"));
        }
        headers.add(getString("vsz"));
        if (!windows) {
            headers.add(getString("rss"));
            headers.add(getString("tty"));
            headers.add(getString("stat"));
            headers.add(getString("start"));
        }
        headers.add(getString("cpuTime"));
        headers.add(getString("command"));
        return headers;
    }

    private void writeProcessInformations(ProcessInformations processInformations) {
        final PdfPCell defaultCell = getDefaultCell();
        defaultCell.setHorizontalAlignment(Element.ALIGN_LEFT);
        addCell(processInformations.getUser());
        defaultCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
        addCell(integerFormat.format(processInformations.getPid()));
        if (!windows) {
            addCell(percentFormat.format(processInformations.getCpuPercentage()));
            addCell(percentFormat.format(processInformations.getMemPercentage()));
        }
        addCell(integerFormat.format(processInformations.getVsz()));
        if (!windows) {
            addCell(integerFormat.format(processInformations.getRss()));
            defaultCell.setHorizontalAlignment(Element.ALIGN_LEFT);
            addCell(processInformations.getTty());
            addCell(processInformations.getStat());
            defaultCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
            addCell(processInformations.getStart());
        }
        addCell(processInformations.getCpuTime());
        defaultCell.setHorizontalAlignment(Element.ALIGN_LEFT);
        addCell(processInformations.getCommand());
    }
}