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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.core.resources;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.CVSProviderPlugin;
import org.eclipse.team.internal.ccvs.core.CVSTag;
public class CVSEntryLineTag extends CVSTag {
private static final String ENTRY_LINE_DATE_TAG_FORMAT = "yyyy.MM.dd.HH.mm.ss"; //$NON-NLS-1$
private static SimpleDateFormat entryLineDateTagFormatter = new SimpleDateFormat(ENTRY_LINE_DATE_TAG_FORMAT, Locale.getDefault());
private static String getNameInInternalFormat(CVSTag tag) {
if(tag.getType() == DATE){
String s = ensureEntryLineFormat(tag.getName());
if(s != null){
return s;
}
}
return tag.getName();
}
private static synchronized String ensureEntryLineFormat(String text){
if(text.length() == ENTRY_LINE_DATE_TAG_FORMAT.length()) return text;
Date date = tagNameToDate(text);
if (date == null) return text;
entryLineDateTagFormatter.setTimeZone(TimeZone.getDefault());
return entryLineDateTagFormatter.format(date);
}
static synchronized public Date entryLineToDate(String text){
try {
return entryLineDateTagFormatter.parse(text);
} catch (ParseException e) {
CVSProviderPlugin.log(new CVSException("Tag name " + text + " is not of the expected format " + ENTRY_LINE_DATE_TAG_FORMAT, e)); //$NON-NLS-1$ //$NON-NLS-2$
return null;
}
}
/*
* The parameter tag must not be null.
*/
public CVSEntryLineTag(CVSTag tag) {
super(getNameInInternalFormat(tag), tag.getType());
}
public CVSEntryLineTag(String entryLineTag) {
switch (entryLineTag.charAt(0)) {
case 'T' : type = BRANCH; break;
case 'N' : type = VERSION; break;
case 'D' : type = DATE; break;
default: type = HEAD;
}
name = entryLineTag.substring(1);
}
/*
* Returns the tag name
*/
public String getName() {
if (getType() == DATE) {
// Use same format as CVSTag when the name is requested
Date date = asDate();
if(date != null){
return dateToTagName(date);
}
}
return name;
}
/*
* Returns the tag type
*/
public int getType() {
return type;
}
public String toEntryLineFormat(boolean useSamePrefixForBranchAndTag) {
if (type == BRANCH || (type == VERSION && useSamePrefixForBranchAndTag))
return "T" + name;//$NON-NLS-1$
else if (type == VERSION)
return "N" + name;//$NON-NLS-1$
else if (type == DATE)
return "D" + name;//$NON-NLS-1$
return "";//$NON-NLS-1$
}
/*
* For debugging purposes.
*/
public String toString() {
return toEntryLineFormat(false);
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.CVSTag#asDate()
*/
public Date asDate() {
return entryLineToDate(name);
}
}
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