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

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Here is the source code for net.bull.javamelody.internal.web.pdf.PdfCounterErrorReport.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.DateFormat;
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.Font;
import com.lowagie.text.Phrase;

import net.bull.javamelody.internal.common.I18N;
import net.bull.javamelody.internal.model.Counter;
import net.bull.javamelody.internal.model.CounterError;
import net.bull.javamelody.internal.web.html.HtmlCounterErrorReport;

/**
 * Partie du rapport pdf pour les erreurs http et dans les logs.
 * @author Emeric Vernat
 */
class PdfCounterErrorReport extends PdfAbstractTableReport {
    private final Counter counter;
    private final DateFormat dateTimeFormat = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM,
            I18N.getCurrentLocale());
    private final Font severeFont = PdfFonts.SEVERE_CELL.getFont();
    private final Font normalFont = PdfFonts.NORMAL.getFont();

    PdfCounterErrorReport(Counter counter, Document document) {
        super(document);
        assert counter != null;
        assert counter.isErrorCounter();
        this.counter = counter;
    }

    @Override
    void toPdf() throws DocumentException {
        final List<CounterError> errors = counter.getErrors();
        if (errors.isEmpty()) {
            addToDocument(new Phrase(getString("Aucune_erreur"), normalFont));
        } else {
            writeErrors(errors);
        }
    }

    private void writeErrors(List<CounterError> errors) throws DocumentException {
        assert errors != null;
        final boolean displayUser = HtmlCounterErrorReport.shouldDisplayUser(errors);
        final boolean displayHttpRequest = HtmlCounterErrorReport.shouldDisplayHttpRequest(errors);
        if (errors.size() >= Counter.MAX_ERRORS_COUNT) {
            addToDocument(
                    new Phrase(getFormattedString("Dernieres_erreurs_seulement", Counter.MAX_ERRORS_COUNT) + '\n',
                            severeFont));
        }
        writeHeader(displayUser, displayHttpRequest);

        for (final CounterError error : errors) {
            nextRow();
            writeError(error, displayUser, displayHttpRequest);
        }
        addTableToDocument();
    }

    private void writeHeader(boolean displayUser, boolean displayHttpRequest) throws DocumentException {
        final List<String> headers = createHeaders(displayUser, displayHttpRequest);
        final int[] relativeWidths = new int[headers.size()];
        Arrays.fill(relativeWidths, 0, headers.size(), 1);
        if (displayHttpRequest) {
            relativeWidths[1] = 4; // requte http
        }
        relativeWidths[headers.size() - 1] = 4; // message d'erreur

        initTable(headers, relativeWidths);
    }

    private List<String> createHeaders(boolean displayUser, boolean displayHttpRequest) {
        final List<String> headers = new ArrayList<String>();
        headers.add(getString("Date"));
        if (displayHttpRequest) {
            headers.add(getString("Requete"));
        }
        if (displayUser) {
            headers.add(getString("Utilisateur"));
        }
        headers.add(getString("Erreur"));
        return headers;
    }

    private void writeError(CounterError error, boolean displayUser, boolean displayHttpRequest) {
        getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
        addCell(dateTimeFormat.format(error.getDate()));
        getDefaultCell().setHorizontalAlignment(Element.ALIGN_LEFT);
        if (displayHttpRequest) {
            if (error.getHttpRequest() == null) {
                addCell("");
            } else {
                addCell(error.getHttpRequest());
            }
        }
        if (displayUser) {
            if (error.getRemoteUser() == null) {
                addCell("");
            } else {
                addCell(error.getRemoteUser());
            }
        }
        addCell(error.getMessage());
    }
}