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/*******************************************************************************
* Copyright (c) 2007-2009 Red Hat, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.rpm.ui.editor.actions;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.BadPositionCategoryException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITypedRegion;
import org.eclipse.jface.text.Position;
import org.eclipse.linuxtools.changelog.core.IFormatterChangeLogContrib;
import org.eclipse.linuxtools.internal.rpm.ui.editor.Activator;
import org.eclipse.linuxtools.internal.rpm.ui.editor.SpecfileLog;
import org.eclipse.linuxtools.internal.rpm.ui.editor.UiUtils;
import org.eclipse.linuxtools.internal.rpm.ui.editor.preferences.PreferenceConstants;
import org.eclipse.linuxtools.internal.rpm.ui.editor.scanners.SpecfilePartitionScanner;
import org.eclipse.linuxtools.rpm.ui.editor.SpecfileEditor;
import org.eclipse.linuxtools.rpm.ui.editor.parser.Specfile;
import org.eclipse.linuxtools.rpm.ui.editor.parser.SpecfileElement;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
public class SpecfileChangelogFormatter implements IFormatterChangeLogContrib {
public final SimpleDateFormat SIMPLE_DATE_FORMAT = new SimpleDateFormat("EEE MMM d yyyy"); //$NON-NLS-1$
private static final String EMPTY_STRING = ""; //$NON-NLS-1$
private IEditorPart changelog;
@Override
public String formatDateLine(String authorName, String authorEmail) {
String dateLine;
Specfile specfile = getParsedSpecfile();
SpecfileElement resolveElement = new SpecfileElement();
resolveElement.setSpecfile(specfile);
String epoch = specfile.getEpoch() == -1 ? EMPTY_STRING : (specfile.getEpoch() + ":"); //$NON-NLS-1$
String version = specfile.getVersion();
String release = specfile.getRelease();
// remove the dist macro if it exist in the release string.
release = release.replaceAll("\\%\\{\\?dist\\}", EMPTY_STRING); //$NON-NLS-1$
// default format
dateLine = MessageFormat.format("* {0} {1} <{2}> {3}{4}-{5}", formatTodaysDate(), authorName, //$NON-NLS-1$
authorEmail, epoch, version, release);
String format = Activator.getDefault().getPreferenceStore().getString(PreferenceConstants.P_CHANGELOG_ENTRY_FORMAT);
if (format.equals(PreferenceConstants.P_CHANGELOG_ENTRY_FORMAT_VERSIONED_WITH_SEPARATOR)) {
dateLine = MessageFormat.format("* {0} {1} <{2}> - {3}{4}-{5}", formatTodaysDate(), //$NON-NLS-1$
authorName, authorEmail, epoch, version, release);
} else if (format.equals(PreferenceConstants.P_CHANGELOG_ENTRY_FORMAT_UNVERSIONED)) {
dateLine = MessageFormat
.format("* {0} {1} <{2}>", formatTodaysDate(), authorName, authorEmail); //$NON-NLS-1$
}
dateLine = UiUtils.resolveDefines(specfile, dateLine);
return dateLine;
}
protected Specfile getParsedSpecfile() {
if (changelog == null) {
changelog = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage()
.getActiveEditor();
}
if (changelog instanceof SpecfileEditor) {
SpecfileEditor specEditor = (SpecfileEditor) changelog;
return specEditor.getSpecfile();
}
return null;
}
private String formatTodaysDate() {
Calendar cal = new GregorianCalendar();
cal.setTime(new Date());
// Get default locale
Locale defaultLocale = Locale.getDefault();
Locale.setDefault(new Locale(Activator.getDefault().getPreferenceStore().getString(PreferenceConstants.P_CHANGELOG_LOCAL)));
String date = SIMPLE_DATE_FORMAT.format(new Date());
Locale.setDefault(defaultLocale);
return date;
}
@Override
public String mergeChangelog(String dateLine, String functionGuess,
String defaultContent, IEditorPart changelog,
String changeLogLocation, String fileLocation) {
if (changelog instanceof SpecfileEditor) {
SpecfileEditor specEditor = (SpecfileEditor) changelog;
IDocument doc = specEditor.getDocumentProvider().getDocument(
specEditor.getEditorInput());
String[] positionCategories = doc.getPositionCategories();
String contentTypesPositionCategory = null;
// there is some random number suffix to the category positions,
// we need to find the one we want
for (String positionCategory: positionCategories) {
if (positionCategory.startsWith("__content_types_category")) {//$NON-NLS-1$
contentTypesPositionCategory = positionCategory;
}
}
if (contentTypesPositionCategory != null) {
try {
Position[] sectionPositions = doc
.getPositions(contentTypesPositionCategory);
ITypedRegion changelogPartition = null;
for (Position position: sectionPositions) {
int offset = position.getOffset();
ITypedRegion partition = doc.getPartition(offset);
if (partition.getType().equals(
SpecfilePartitionScanner.SPEC_CHANGELOG)) {
changelogPartition = partition;
}
}
// Temporary buffer for changelog text
StringBuilder buf = new StringBuilder();
String changelogText = EMPTY_STRING;
String[] changelogLines = new String[] {};
int offset = doc.getLength();
int length = 0;
// there was no changelog partition add it.
if (changelogPartition == null) {
// make sure there are at least 2 newlines before
// the changelog section
String endString = doc.get(doc.getLength() - 2, 2);
if (endString.charAt(0) != '\n') {
buf.append('\n');
}
if (endString.charAt(1) != '\n') {
buf.append('\n');
}
buf.append("%changelog\n"); //$NON-NLS-1$
// or get the old text and add the header
} else {
offset = changelogPartition.getOffset();
length = changelogPartition.getLength();
changelogText = doc.get(offset, length);
// get old changelog text
changelogLines = changelogText.split("\n"); //$NON-NLS-1$
// add the %changelog header
buf.append(changelogLines[0]).append('\n');
}
// now add the entry stub
buf.append(dateLine);
buf.append('\n');
buf.append("- \n"); //$NON-NLS-1$
// set the cursor at the end of the entry,
// count back 2 '\n's
int newCursorOffset = offset + buf.length() - 1;
for (int i = 1; i < changelogLines.length; i++) {
buf.append('\n').append(changelogLines[i]);
}
// always terminate the file with a new line
if (changelogLines.length > 0) {
buf.append('\n');
}
doc.replace(offset, length, buf.toString());
specEditor.selectAndReveal(newCursorOffset, 0);
specEditor.setFocus();
} catch (BadPositionCategoryException e) {
SpecfileLog.logError(e);
} catch (BadLocationException e) {
SpecfileLog.logError(e);
}
}
}
return EMPTY_STRING;
}
}
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