Java tutorial
/* * 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.text.DecimalFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; 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.Paragraph; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.PdfPCell; import net.bull.javamelody.internal.common.I18N; import net.bull.javamelody.internal.model.Counter; import net.bull.javamelody.internal.model.CounterRequestContext; import net.bull.javamelody.internal.model.ThreadInformations; import net.bull.javamelody.internal.web.html.HtmlCounterRequestContextReport.CounterRequestContextReportHelper; /** * Partie du rapport pdf pour les contextes de requtes en cours. * @author Emeric Vernat */ class PdfCounterRequestContextReport extends PdfAbstractTableReport { private final List<CounterRequestContext> rootCurrentContexts; private final Map<String, PdfCounterReport> counterReportsByCounterName; private final Map<Long, ThreadInformations> threadInformationsByThreadId; private final boolean childHitsDisplayed; private final DecimalFormat integerFormat = I18N.createIntegerFormat(); private long timeOfSnapshot = System.currentTimeMillis(); private final boolean stackTraceEnabled; private final Font cellFont = PdfFonts.TABLE_CELL.getFont(); private final Font normalFont = PdfFonts.NORMAL.getFont(); private final Font infoCellFont = PdfFonts.INFO_CELL.getFont(); private final PdfDocumentFactory pdfDocumentFactory; PdfCounterRequestContextReport(List<CounterRequestContext> rootCurrentContexts, List<PdfCounterReport> pdfCounterReports, List<ThreadInformations> threadInformationsList, boolean stackTraceEnabled, PdfDocumentFactory pdfDocumentFactory, Document document) { super(document); assert rootCurrentContexts != null; assert pdfCounterReports != null; assert threadInformationsList != null; assert pdfDocumentFactory != null; this.rootCurrentContexts = rootCurrentContexts; this.counterReportsByCounterName = new HashMap<String, PdfCounterReport>(pdfCounterReports.size()); for (final PdfCounterReport counterReport : pdfCounterReports) { counterReportsByCounterName.put(counterReport.getCounterName(), counterReport); } this.threadInformationsByThreadId = new HashMap<Long, ThreadInformations>(threadInformationsList.size()); for (final ThreadInformations threadInformations : threadInformationsList) { this.threadInformationsByThreadId.put(threadInformations.getId(), threadInformations); } this.pdfDocumentFactory = pdfDocumentFactory; boolean oneRootHasChild = false; for (final CounterRequestContext rootCurrentContext : rootCurrentContexts) { if (rootCurrentContext.hasChildHits()) { oneRootHasChild = true; break; } } this.childHitsDisplayed = oneRootHasChild; this.stackTraceEnabled = stackTraceEnabled; } void setTimeOfSnapshot(long timeOfSnapshot) { this.timeOfSnapshot = timeOfSnapshot; } @Override void toPdf() throws DocumentException, IOException { if (rootCurrentContexts.isEmpty()) { return; } writeContexts(Collections.singletonList(rootCurrentContexts.get(0))); } void writeContextDetails() throws DocumentException, IOException { // dtails par contextes if (rootCurrentContexts.isEmpty()) { return; } writeContexts(rootCurrentContexts); } private void writeContexts(List<CounterRequestContext> contexts) throws DocumentException, IOException { boolean displayRemoteUser = false; for (final CounterRequestContext context : contexts) { if (context.getRemoteUser() != null) { displayRemoteUser = true; break; } } writeHeader(contexts, displayRemoteUser); final PdfPCell defaultCell = getDefaultCell(); defaultCell.setLeading(2, 1); defaultCell.setPaddingTop(0); for (final CounterRequestContext context : contexts) { nextRow(); writeContext(context, displayRemoteUser); } addTableToDocument(); writeFooter(); } private void writeHeader(List<CounterRequestContext> contexts, boolean displayRemoteUser) throws DocumentException { final List<String> headers = createHeaders(contexts, displayRemoteUser); final int[] relativeWidths = new int[headers.size()]; Arrays.fill(relativeWidths, 0, headers.size(), 1); if (displayRemoteUser) { relativeWidths[2] = 6; // requte } else { relativeWidths[1] = 6; // requte } if (stackTraceEnabled) { relativeWidths[headers.size() - 1] = 3; // mthode excute } initTable(headers, relativeWidths); } private List<String> createHeaders(List<CounterRequestContext> contexts, boolean displayRemoteUser) { final List<String> headers = new ArrayList<String>(); headers.add(getString("Thread")); if (displayRemoteUser) { headers.add(getString("Utilisateur")); } headers.add(getString("Requete")); headers.add(getString("Duree_ecoulee")); headers.add(getString("Temps_moyen")); headers.add(getString("Temps_cpu")); headers.add(getString("Temps_cpu_moyen")); // rq : tous ces contextes viennent du mme compteur donc peu importe lequel des parentCounter if (childHitsDisplayed) { final String childCounterName = contexts.get(0).getParentCounter().getChildCounterName(); headers.add(getFormattedString("hits_fils", childCounterName)); headers.add(getFormattedString("hits_fils_moyens", childCounterName)); headers.add(getFormattedString("temps_fils", childCounterName)); headers.add(getFormattedString("temps_fils_moyen", childCounterName)); } if (stackTraceEnabled) { headers.add(getString("Methode_executee")); } return headers; } private void writeFooter() throws DocumentException { final Paragraph footer = new Paragraph( getFormattedString("nb_requete_en_cours", integerFormat.format(rootCurrentContexts.size())), normalFont); footer.setAlignment(Element.ALIGN_RIGHT); addToDocument(footer); } private void writeContext(CounterRequestContext rootContext, boolean displayRemoteUser) throws DocumentException, IOException { getDefaultCell().setHorizontalAlignment(Element.ALIGN_LEFT); // attention, cela ne marcherait pas sur le serveur de collecte, partir du seul threadId // s'il y a plusieurs instances en cluster final ThreadInformations threadInformations = threadInformationsByThreadId.get(rootContext.getThreadId()); if (threadInformations == null) { addCell(""); // un dcalage n'a pas permis de rcuprer le thread de ce context } else { addCell(threadInformations.getName()); } if (displayRemoteUser) { if (rootContext.getRemoteUser() == null) { addCell(""); } else { addCell(rootContext.getRemoteUser()); } } final List<CounterRequestContext> contexts = new ArrayList<CounterRequestContext>(); contexts.add(rootContext); contexts.addAll(rootContext.getChildContexts()); writeRequests(contexts); writeDurations(contexts); final CounterRequestContextReportHelper counterRequestContextReportHelper = new CounterRequestContextReportHelper( contexts, childHitsDisplayed); for (final int[] requestValues : counterRequestContextReportHelper.getRequestValues()) { writeRequestValues(requestValues); } if (stackTraceEnabled) { getDefaultCell().setHorizontalAlignment(Element.ALIGN_LEFT); if (threadInformations == null) { addCell(""); // un dcalage n'a pas permis de rcuprer le thread de ce context } else { addCell(threadInformations.getExecutedMethod()); } } } private void writeDurations(List<CounterRequestContext> contexts) throws DocumentException, IOException { getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT); final Paragraph paragraph = new Paragraph("", cellFont); boolean first = true; for (final CounterRequestContext context : contexts) { if (!first) { paragraph.add(new Chunk('\n', cellFont)); } final int duration = context.getDuration(timeOfSnapshot); final Counter parentCounter = context.getParentCounter(); final PdfCounterReport counterReport = counterReportsByCounterName.get(parentCounter.getName()); if (parentCounter.getIconName() != null) { paragraph.add(new Chunk(getImage(parentCounter.getIconName()), 0, -1)); } final Font slaFont; if (counterReport == null) { slaFont = infoCellFont; } else { slaFont = counterReport.getSlaFont(duration); } paragraph.add(new Phrase(integerFormat.format(duration), slaFont)); first = false; } addCell(paragraph); } private void writeRequests(List<CounterRequestContext> contexts) throws DocumentException, IOException { final PdfPCell defaultCell = getDefaultCell(); final PdfPCell requestCell = new PdfPCell(); final Paragraph phrase = new Paragraph("", cellFont); int margin = 0; for (final CounterRequestContext context : contexts) { writeRequest(context, requestCell, margin); margin += 5; } // on utilise ici PdfPCell et addElement pour que les proprits // leading et indentationLeft des paragraphes soient prises en compte requestCell.addElement(phrase); requestCell.setGrayFill(defaultCell.getGrayFill()); requestCell.setPaddingTop(defaultCell.getPaddingTop()); addCell(requestCell); } private void writeRequest(CounterRequestContext context, PdfPCell cell, int margin) throws DocumentException, IOException { final Paragraph paragraph = new Paragraph(getDefaultCell().getLeading() + cellFont.getSize()); paragraph.setIndentationLeft(margin); if (context.getParentCounter().getIconName() != null) { paragraph.add(new Chunk(getImage(context.getParentCounter().getIconName()), 0, -1)); } paragraph.add(new Phrase(context.getCompleteRequestName(), cellFont)); cell.addElement(paragraph); } private void writeRequestValues(int[] requestValues) { final StringBuilder sb = new StringBuilder(); boolean first = true; for (final int value : requestValues) { if (!first) { sb.append('\n'); } if (value != -1) { sb.append(integerFormat.format(value)); } first = false; } addCell(sb.toString()); } private Image getImage(String resourceFileName) throws DocumentException, IOException { return pdfDocumentFactory.getSmallImage(resourceFileName); } }