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/*******************************************************************************
* Copyright (c) 2015 Ericsson AB.
* 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:
* Jacques Bouthillier - initial API and implementation
*******************************************************************************/
package org.eclipse.egerrit.internal.ui.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.TimeZone;
import org.eclipse.core.databinding.conversion.Converter;
import org.eclipse.core.databinding.conversion.IConverter;
import org.eclipse.egerrit.internal.core.EGerritCorePlugin;
import org.eclipse.egerrit.internal.core.GerritClient;
import org.eclipse.egerrit.internal.model.ChangeInfo;
import org.eclipse.egerrit.internal.model.ChangeMessageInfo;
import org.eclipse.egerrit.internal.model.CommentInfo;
import org.eclipse.egerrit.internal.model.FileInfo;
import org.eclipse.egerrit.internal.model.GitPersonInfo;
import org.eclipse.egerrit.internal.model.MergeableInfo;
import org.eclipse.egerrit.internal.model.RevisionInfo;
import org.eclipse.egerrit.internal.ui.editors.QueryHelpers;
import org.eclipse.egerrit.internal.ui.table.model.SubmitType;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.osgi.util.NLS;
/**
* This class in used to transform the Gerrit data to a databinding display value
*
* @since 1.0
*/
public class DataConverter {
/**
* The default constructor. Do not allow to build an object of this class
*/
private DataConverter() {
}
/**
* @param outputTime
* SimpleDateFormat requested
* @return an IConverter from the Gerrit Timestamp to a new format
*/
public static IConverter gerritTimeConverter(final SimpleDateFormat outputTime) {
return new Converter(String.class, String.class) {
@Override
public Object convert(Object fromObject) {
SimpleDateFormat formatIn = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.");// Gerrit timestamp format //$NON-NLS-1$
Date dateNew = null;
if (fromObject != null && !"".equals(fromObject)) { //$NON-NLS-1$
try {
formatIn.setTimeZone(TimeZone.getTimeZone("UTC")); //$NON-NLS-1$
dateNew = formatIn.parse((String) fromObject);
} catch (ParseException ex) {
EGerritCorePlugin.logError(ex.getMessage());
}
return outputTime.format(dateNew);
}
return ""; //$NON-NLS-1$
}
};
}
/**
* @return an IConverter from the GitPersonInfo structure to a format having the name and e-mail information
*/
public static IConverter gitPersonConverter() {
return new Converter(GitPersonInfo.class, String.class) {
@Override
public Object convert(Object fromObject) {
if (fromObject != null && !"".equals(fromObject)) { //$NON-NLS-1$
GitPersonInfo person = (GitPersonInfo) fromObject;
if (person.getName() != null && person.getEmail() != null) {
// "<a> </a> is to allow the link selection of the text
return "<a>" + person.getName() + "<" + person.getEmail() + ">" + "</a>"; //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
} else {
return null;
}
} else {
return null;
}
}
};
}
/**
* @return an IConverter from the Submit type structure to a format to display
*/
public static IConverter submitTypeConverter() {
return new Converter(MergeableInfo.class, String.class) {
@Override
public Object convert(Object fromObject) {
if (fromObject != null && !"".equals(fromObject)) { //$NON-NLS-1$
MergeableInfo mInfo = (MergeableInfo) fromObject;
return SubmitType.getEnumName(mInfo.getSubmit_type());
} else {
return null;
}
}
};
}
/**
* @return an IConverter from the boolean structure to the "Cannot Merge" to display
*/
public static IConverter cannotMergeConverter() {
return new Converter(Boolean.class, String.class) {
@Override
public Object convert(Object fromObject) {
if (fromObject != null && !"".equals(fromObject)) { //$NON-NLS-1$
return new Boolean((boolean) fromObject).booleanValue() ? "" : Messages.DataConverter_0; //$NON-NLS-1$
} else {
return null;
}
}
};
}
/**
* Insert the tag for the link text
*
* @return
*/
public static IConverter linkText() {
return new Converter(String.class, String.class) {
@Override
public Object convert(Object fromObject) {
if (fromObject == null) {
return ""; //$NON-NLS-1$
}
return new StringBuilder().append("<a>").append(fromObject).append("</a>").toString(); //$NON-NLS-1$ //$NON-NLS-2$
}
};
}
/**
* Convert a string to a Document
*
* @param gerritClient
* @param selection
* @param changeInfo
* @param changeInfo
* @param selection
* @param gerritClient
* @return IConverter
*/
public static IConverter fromStringToDocument(GerritClient gerritClient) {
return new Converter(String.class, IDocument.class) {
@Override
public Object convert(Object fromObject) {
if (fromObject == null) {
return null;
}
ChangeMessageInfo message = (ChangeMessageInfo) fromObject;
//There is no comment
if (!message.isComment()) {
return new Document(message.getMessage());
}
//Get comments and format the message with those
ChangeInfo containingChange = (ChangeInfo) message.eContainer();
RevisionInfo selectedRevision = containingChange.getRevisionByNumber(message.get_revision_number());
if (selectedRevision != null) {
QueryHelpers.loadComments(gerritClient, selectedRevision);
}
return new Document(message.getMessage() + "\n" + formatMessageWithComments(message, selectedRevision)); //$NON-NLS-1$
}
};
}
/**
* Creating a string with the file path and associated comments to this file.
*
* @param chmsgInfo
* @param revInfo
* @return String
*/
private static String formatMessageWithComments(ChangeMessageInfo chmsgInfo, RevisionInfo revInfo) {
StringBuilder sb = new StringBuilder();
if (revInfo != null) {
Collection<FileInfo> files = revInfo.getFiles().values();
for (FileInfo fileInfo : files) {
if (!fileInfo.getComments().isEmpty()) {
sb.append("\n"); //$NON-NLS-1$
sb.append(fileInfo.getPath());
Iterator<CommentInfo> commentsIter = fileInfo.getComments().iterator();
while (commentsIter.hasNext()) {
//List the comments available for this timestamp only
CommentInfo comment = commentsIter.next();
if (chmsgInfo.getDate().equals(comment.getUpdated())) {
sb.append(NLS.bind(Messages.DataConverter_4,
new Object[] { comment.getLine(), comment.getMessage() }));
}
}
sb.append("\n"); //$NON-NLS-1$
}
}
}
return sb.toString();
}
/**
* Insert the tag for the link text
*
* @param fChangeInfo
* @return
*/
public static IConverter patchSetSelected(ChangeInfo changeInfo) {
return new Converter(String.class, String.class) {
@Override
public Object convert(Object fromObject) {
if (fromObject == null || changeInfo.getUserSelectedRevision() == null) {
//Force this string to be long to reserve the space because the first time things get rendered there is no selection
return " "; //$NON-NLS-1$
}
RevisionInfo revInfo = changeInfo.getUserSelectedRevision();
StringBuilder sb = new StringBuilder();
sb.append(Messages.DataConverter_5);
sb.append(revInfo.get_number());
sb.append("/"); //$NON-NLS-1$
sb.append(changeInfo.getRevision().get_number());
return sb.toString();
}
};
}
}
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