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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 com.android.sched.util;
import com.android.sched.util.findbugs.SuppressFBWarnings;
import com.android.sched.util.log.LoggerFactory;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.logging.Logger;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
/**
* A class describing version, release, build & code.
*/
public class Version {
@Nonnull
private static final String FILE_SUFFIX = "-version.properties";
@Nonnull
private static final Logger logger = LoggerFactory.getLogger();
@Nonnull
private String version;
@Nonnull
private String releaseName;
private int releaseCode;
@Nonnull
private SubReleaseKind subReleaseKind;
private int subReleaseCode;
@CheckForNull
private String buildId;
@CheckForNull
private String codeBase;
// FINDBUGS Fields are initialized by init()
@SuppressFBWarnings("NP_NONNULL_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR")
public Version(@Nonnull String name, @Nonnull ClassLoader loader)
throws IOException {
String resourceName = name + FILE_SUFFIX;
InputStream resourceStream = loader.getResourceAsStream(resourceName);
if (resourceStream == null) {
throw new FileNotFoundException(resourceName);
}
try {
init(resourceStream);
} finally {
try {
resourceStream.close();
} catch (IOException e) {
//
}
}
}
// FINDBUGS Fields are initialized by init()
@SuppressFBWarnings("NP_NONNULL_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR")
public Version(@Nonnull InputStream is) throws IOException {
init(is);
}
public Version(int releaseCode, int subReleaseCode, @Nonnull SubReleaseKind subReleaseKind) {
this.version = "Unknown";
this.releaseName = "Unknown";
this.releaseCode = releaseCode;
this.subReleaseCode = subReleaseCode;
this.subReleaseKind = subReleaseKind;
}
private void init(InputStream is) throws IOException {
Properties prop = new Properties();
prop.load(is);
long versionFileVersion = Long.parseLong(prop.getProperty("version-file.version.code"));
assert versionFileVersion >= 1;
version = prop.getProperty("version");
assert version != null;
releaseName = prop.getProperty("version.release.name");
assert releaseName != null;
releaseCode = Integer.parseInt(prop.getProperty("version.release.code"));
subReleaseCode = Integer.parseInt(prop.getProperty("version.sub-release.code"));
subReleaseKind =
SubReleaseKind.valueOf(SubReleaseKind.class, prop.getProperty("version.sub-release.kind"));
buildId = prop.getProperty("version.buildid");
if (buildId != null && buildId.isEmpty()) {
buildId = null;
}
codeBase = prop.getProperty("version.sha");
if (codeBase != null && codeBase.isEmpty()) {
codeBase = null;
}
if (codeBase == null || buildId == null) {
subReleaseKind = SubReleaseKind.ENGINEERING;
}
}
@Nonnull
public String getVersion() {
return version;
}
@Nonnull
public String getReleaseName() {
return releaseName;
}
public int getReleaseCode() {
return releaseCode;
}
@Nonnull
public SubReleaseKind getSubReleaseKind() {
return subReleaseKind;
}
public int getSubReleaseCode() {
return subReleaseCode;
}
@CheckForNull
public String getBuildId() {
return buildId;
}
@CheckForNull
public String getCodeBase() {
return codeBase;
}
@Nonnull
public String getVerboseVersion() {
return version + " '" + releaseName + "' ("
+ (buildId != null ? buildId : "engineering")
+ (codeBase != null ? (' ' + codeBase) : "") + ")";
}
public boolean isOlderThan(@Nonnull Version other) throws UncomparableVersion {
return compareTo(other) < 0;
}
public boolean isOlderOrEqualsThan(@Nonnull Version other) throws UncomparableVersion {
return compareTo(other) <= 0;
}
public boolean isNewerThan(@Nonnull Version other) throws UncomparableVersion {
return compareTo(other) > 0;
}
public boolean isNewerOrEqualsThan(@Nonnull Version other) throws UncomparableVersion {
return compareTo(other) >= 0;
}
@Override
public final boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof Version) {
Version other = (Version) obj;
return version.equals(other.version)
&& releaseName.equals(other.releaseName)
&& releaseCode == other.releaseCode
&& subReleaseCode == other.subReleaseCode
&& subReleaseKind == other.subReleaseKind
&& ((buildId != null && buildId.equals(other.buildId))
|| (buildId == null && other.buildId == null))
&& ((codeBase != null && codeBase.equals(other.codeBase))
|| (codeBase == null && other.codeBase == null));
}
return false;
}
@Override
public final int hashCode() {
return version.hashCode() ^ releaseName.hashCode() ^ (releaseCode * 7) ^ (subReleaseCode * 17)
^ subReleaseKind.hashCode() ^ (buildId != null ? buildId.hashCode() : 0)
^ (codeBase != null ? codeBase.hashCode() : 0);
}
int compareTo(@Nonnull Version other) throws UncomparableVersion {
if ((subReleaseKind == SubReleaseKind.ENGINEERING
&& other.getSubReleaseKind() != SubReleaseKind.ENGINEERING)
|| releaseCode < 0
|| subReleaseCode < 0
|| (subReleaseKind != SubReleaseKind.ENGINEERING
&& other.getSubReleaseKind() == SubReleaseKind.ENGINEERING)
|| other.getReleaseCode() < 0
|| other.getSubReleaseCode() < 0) {
throw new UncomparableVersion(
getVerboseVersion() + " is not comparable with " + other.getVerboseVersion());
}
if (this.releaseCode > other.getReleaseCode() || (
this.releaseCode == other.getReleaseCode()
&& this.subReleaseCode > other.getSubReleaseCode())) {
return 1;
}
if (this.releaseCode < other.getReleaseCode() || (
this.releaseCode == other.getReleaseCode()
&& this.subReleaseCode < other.getSubReleaseCode())) {
return -1;
}
return 0;
}
}
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