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

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Here is the source code for net.bull.javamelody.internal.web.pdf.PdfJndiReport.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.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import com.lowagie.text.BadElementException;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Phrase;
import com.lowagie.text.pdf.PdfPCell;

import net.bull.javamelody.internal.model.JndiBinding;

/**
 * Partie du rapport pdf pour l'arbre JNDI.
 * @author Emeric Vernat
 */
class PdfJndiReport extends PdfAbstractTableReport {
    private final List<JndiBinding> jndiBindings;
    private final Font cellFont = PdfFonts.TABLE_CELL.getFont();
    private Image folderImage;

    PdfJndiReport(List<JndiBinding> jndiBindings, Document document) {
        super(document);
        assert jndiBindings != null;
        this.jndiBindings = jndiBindings;
    }

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

        for (final JndiBinding jndiBinding : jndiBindings) {
            nextRow();
            writeJndiBinding(jndiBinding);
        }
        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);

        initTable(headers, relativeWidths);
    }

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

    private void writeJndiBinding(JndiBinding jndiBinding) throws BadElementException, IOException {
        final PdfPCell defaultCell = getDefaultCell();
        defaultCell.setHorizontalAlignment(Element.ALIGN_LEFT);
        final String name = jndiBinding.getName();
        final String className = jndiBinding.getClassName();
        final String contextPath = jndiBinding.getContextPath();
        final String value = jndiBinding.getValue();
        if (contextPath != null) {
            final Image image = getFolderImage();
            final Phrase phrase = new Phrase("", cellFont);
            phrase.add(new Chunk(image, 0, 0));
            phrase.add(" ");
            phrase.add(name);
            addCell(phrase);
        } else {
            addCell(name);
        }
        addCell(className != null ? className : "");
        addCell(value != null ? value : "");
    }

    private Image getFolderImage() throws BadElementException, IOException {
        if (folderImage == null) {
            folderImage = PdfDocumentFactory.getImage("folder.png");
            folderImage.scalePercent(40);
        }
        return folderImage;
    }
}