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/*******************************************************************************
* Copyright (c) 2004, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Pablo Cabrera <pablo.cabrera@mulesoft.com> - Bug 428355
*******************************************************************************/
package org.eclipse.ui.internal.about;
import com.ibm.icu.text.Collator;
import java.io.IOException;
import java.net.URL;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;
import org.eclipse.jface.resource.ImageDescriptor;
/**
* An abstract parent that describes data that can be displayed in a table in one of
* the about dialogs.
* @since 3.0
*/
public abstract class AboutData {
private String providerName;
private String name;
private String version;
private String id;
private String versionedId = null;
protected AboutData(String providerName, String name, String version,
String id) {
this.providerName = providerName == null ? "" : providerName; //$NON-NLS-1$
this.name = name == null ? "" : name; //$NON-NLS-1$
this.version = version == null ? "" : version; //$NON-NLS-1$
this.id = id == null ? "" : id; //$NON-NLS-1$
}
public String getId() {
return id;
}
public String getName() {
return name;
}
public String getProviderName() {
return providerName;
}
public String getVersion() {
return version;
}
public String getVersionedId() {
if (versionedId == null) {
versionedId = getId() + "_" + getVersion(); //$NON-NLS-1$
}
return versionedId;
}
/**
* Modify the argument array to reverse the sort order.
* @param infos
*/
private static void reverse(AboutData[] infos) {
List<AboutData> infoList = Arrays.asList(infos);
Collections.reverse(infoList);
for (int i = 0; i < infos.length; ++i) {
infos[i] = infoList.get(i);
}
}
/**
* Modify the argument array to be sorted by provider. If the reverse
* boolean is true, the array is assumed to already be sorted and the
* direction of sort (ascending vs. descending) is reversed. Entries
* with the same name are sorted by name.
*
* @param reverse
* if true then the order of the argument is reversed without
* examining the value of the fields
* @param infos
* the data to be sorted
*/
public static void sortByProvider(boolean reverse, AboutData[] infos) {
if (reverse) {
reverse(infos);
return;
}
Arrays.sort(infos, new Comparator<AboutData>() {
Collator collator = Collator.getInstance(Locale.getDefault());
@Override
public int compare(AboutData info1, AboutData info2) {
String provider1 = info1.getProviderName();
String provider2 = info2.getProviderName();
if (!provider1.equals(provider2)) {
return collator.compare(provider1, provider2);
}
return collator.compare(info1.getName(), info2.getName());
}
});
}
/**
* Modify the argument array to be sorted by name. If the reverse
* boolean is true, the array is assumed to already be sorted and the
* direction of sort (ascending vs. descending) is reversed.
*
* @param reverse
* if true then the order of the argument is reversed without
* examining the value of the fields
* @param infos
* the data to be sorted
*/
public static void sortByName(boolean reverse, AboutData[] infos) {
if (reverse) {
reverse(infos);
return;
}
Arrays.sort(infos, new Comparator<AboutData>() {
Collator collator = Collator.getInstance(Locale.getDefault());
@Override
public int compare(AboutData info1, AboutData info2) {
return collator.compare(info1.getName(), info2.getName());
}
});
}
/**
* Modify the argument array to be sorted by version. If the reverse
* boolean is true, the array is assumed to already be sorted and the
* direction of sort (ascending vs. descending) is reversed. Entries
* with the same name are sorted by name.
*
* @param reverse
* if true then the order of the argument is reversed without
* examining the value of the fields
* @param infos
* the data to be sorted
*/
public static void sortByVersion(boolean reverse, AboutData[] infos) {
if (reverse) {
reverse(infos);
return;
}
Arrays.sort(infos, new Comparator<AboutData>() {
Collator collator = Collator.getInstance(Locale.getDefault());
@Override
public int compare(AboutData info1, AboutData info2) {
String version1 = info1.getVersion();
String version2 = info2.getVersion();
if (!version1.equals(version2)) {
return collator.compare(version1, version2);
}
return collator.compare(info1.getName(), info2.getName());
}
});
}
/**
* Modify the argument array to be sorted by id. If the reverse
* boolean is true, the array is assumed to already be sorted and the
* direction of sort (ascending vs. descending) is reversed. Entries
* with the same name are sorted by name.
*
* @param reverse
* if true then the order of the argument is reversed without
* examining the value of the fields
* @param infos
* the data to be sorted
*/
public static void sortById(boolean reverse, AboutData[] infos) {
if (reverse) {
reverse(infos);
return;
}
Arrays.sort(infos, new Comparator<AboutData>() {
Collator collator = Collator.getInstance(Locale.getDefault());
@Override
public int compare(AboutData info1, AboutData info2) {
String id1 = info1.getId();
String id2 = info2.getId();
if (!id1.equals(id2)) {
return collator.compare(id1, id2);
}
return collator.compare(info1.getName(), info2.getName());
}
});
}
protected static URL getURL(String value) {
try {
if (value != null) {
return new URL(value);
}
} catch (IOException e) {
// do nothing
}
return null;
}
protected static ImageDescriptor getImage(URL url) {
return url == null ? null : ImageDescriptor.createFromURL(url);
}
protected static ImageDescriptor getImage(String value) {
return getImage(getURL(value));
}
}
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