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/*
* Copyright (C) 2007, Dave Watson
* Copyright (C) 2007, Robin Rosenberg
* Copyright (C) 2006-2008, Shawn O. Pearce
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.lib;
import java.io.Serializable;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import org.eclipse.jgit.util.SystemReader;
/**
* A combination of a person identity and time in Git.
*
* Git combines Name + email + time + time zone to specify who wrote or
* committed something.
*/
public class PersonIdent implements Serializable {
private static final long serialVersionUID = 1L;
private final String name;
private final String emailAddress;
private final long when;
private final int tzOffset;
/**
* Creates new PersonIdent from config info in repository, with current time.
* This new PersonIdent gets the info from the default committer as available
* from the configuration.
*
* @param repo
*/
public PersonIdent(final Repository repo) {
this(repo.getConfig().get(UserConfig.KEY));
}
/**
* Copy a {@link PersonIdent}.
*
* @param pi
* Original {@link PersonIdent}
*/
public PersonIdent(final PersonIdent pi) {
this(pi.getName(), pi.getEmailAddress());
}
/**
* Construct a new {@link PersonIdent} with current time.
*
* @param aName
* @param aEmailAddress
*/
public PersonIdent(final String aName, final String aEmailAddress) {
this(aName, aEmailAddress, SystemReader.getInstance().getCurrentTime());
}
/**
* Copy a PersonIdent, but alter the clone's time stamp
*
* @param pi
* original {@link PersonIdent}
* @param when
* local time
* @param tz
* time zone
*/
public PersonIdent(final PersonIdent pi, final Date when, final TimeZone tz) {
this(pi.getName(), pi.getEmailAddress(), when, tz);
}
/**
* Copy a {@link PersonIdent}, but alter the clone's time stamp
*
* @param pi
* original {@link PersonIdent}
* @param aWhen
* local time
*/
public PersonIdent(final PersonIdent pi, final Date aWhen) {
this(pi.getName(), pi.getEmailAddress(), aWhen.getTime(), pi.tzOffset);
}
/**
* Construct a PersonIdent from simple data
*
* @param aName
* @param aEmailAddress
* @param aWhen
* local time stamp
* @param aTZ
* time zone
*/
public PersonIdent(final String aName, final String aEmailAddress,
final Date aWhen, final TimeZone aTZ) {
this(aName, aEmailAddress, aWhen.getTime(), aTZ.getOffset(aWhen
.getTime()) / (60 * 1000));
}
/**
* Copy a PersonIdent, but alter the clone's time stamp
*
* @param pi
* original {@link PersonIdent}
* @param aWhen
* local time stamp
* @param aTZ
* time zone
*/
public PersonIdent(final PersonIdent pi, final long aWhen, final int aTZ) {
this(pi.getName(), pi.getEmailAddress(), aWhen, aTZ);
}
private PersonIdent(final String aName, final String aEmailAddress,
long when) {
this(aName, aEmailAddress, when, SystemReader.getInstance()
.getTimezone(when));
}
private PersonIdent(final UserConfig config) {
this(config.getCommitterName(), config.getCommitterEmail());
}
/**
* Construct a {@link PersonIdent}
*
* @param aName
* @param aEmailAddress
* @param aWhen
* local time stamp
* @param aTZ
* time zone
*/
public PersonIdent(final String aName, final String aEmailAddress,
final long aWhen, final int aTZ) {
if (aName == null)
throw new IllegalArgumentException(
"Name of PersonIdent must not be null.");
if (aEmailAddress == null)
throw new IllegalArgumentException(
"E-mail address of PersonIdent must not be null.");
name = aName;
emailAddress = aEmailAddress;
when = aWhen;
tzOffset = aTZ;
}
/**
* @return Name of person
*/
public String getName() {
return name;
}
/**
* @return email address of person
*/
public String getEmailAddress() {
return emailAddress;
}
/**
* @return timestamp
*/
public Date getWhen() {
return new Date(when);
}
/**
* @return this person's declared time zone; null if time zone is unknown.
*/
public TimeZone getTimeZone() {
StringBuilder tzId = new StringBuilder(8);
tzId.append("GMT"); //$NON-NLS-1$
appendTimezone(tzId);
return TimeZone.getTimeZone(tzId.toString());
}
/**
* @return this person's declared time zone as minutes east of UTC. If the
* timezone is to the west of UTC it is negative.
*/
public int getTimeZoneOffset() {
return tzOffset;
}
public int hashCode() {
int hc = getEmailAddress().hashCode();
hc *= 31;
hc += (int) (when / 1000L);
return hc;
}
public boolean equals(final Object o) {
if (o instanceof PersonIdent) {
final PersonIdent p = (PersonIdent) o;
return getName().equals(p.getName())
&& getEmailAddress().equals(p.getEmailAddress())
&& when / 1000L == p.when / 1000L;
}
return false;
}
/**
* Format for Git storage.
*
* @return a string in the git author format
*/
public String toExternalString() {
final StringBuilder r = new StringBuilder();
r.append(getName());
r.append(" <"); //$NON-NLS-1$
r.append(getEmailAddress());
r.append("> "); //$NON-NLS-1$
r.append(when / 1000);
r.append(' ');
appendTimezone(r);
return r.toString();
}
private void appendTimezone(final StringBuilder r) {
int offset = tzOffset;
final char sign;
final int offsetHours;
final int offsetMins;
if (offset < 0) {
sign = '-';
offset = -offset;
} else {
sign = '+';
}
offsetHours = offset / 60;
offsetMins = offset % 60;
r.append(sign);
if (offsetHours < 10) {
r.append('0');
}
r.append(offsetHours);
if (offsetMins < 10) {
r.append('0');
}
r.append(offsetMins);
}
@SuppressWarnings("nls")
public String toString() {
final StringBuilder r = new StringBuilder();
final SimpleDateFormat dtfmt;
dtfmt = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy Z", Locale.US);
dtfmt.setTimeZone(getTimeZone());
r.append("PersonIdent[");
r.append(getName());
r.append(", ");
r.append(getEmailAddress());
r.append(", ");
r.append(dtfmt.format(Long.valueOf(when)));
r.append("]");
return r.toString();
}
}
