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/*******************************************************************************
* Copyright (c) 2009, 2011 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
*******************************************************************************/
package org.eclipse.core.internal.registry;
/**
* An object which represents the user-defined contents of an extension
* in a plug-in manifest.
*/
public class ConfigurationElementMulti extends ConfigurationElement {
/**
* Translated values for the locale
*/
private DirectMap translatedProperties = new DirectMap(10, 0.5f);
protected ConfigurationElementMulti(ExtensionRegistry registry, boolean persist) {
super(registry, persist);
}
protected ConfigurationElementMulti(int self, String contributorId, String name, String[] propertiesAndValue, int[] children, int extraDataOffset, int parent, byte parentType, ExtensionRegistry registry, boolean persist) {
super(self, contributorId, name, propertiesAndValue, children, extraDataOffset, parent, parentType, registry, persist);
}
@Override
String getAttribute(String attrName, String locale) {
if (propertiesAndValue.length <= 1)
return null;
//round down to an even size
int size = propertiesAndValue.length - (propertiesAndValue.length % 2);
int index = -1;
for (int i = 0, j = 0; i < size; i += 2, j++) {
if (!(propertiesAndValue[i].equals(attrName)))
continue;
index = j;
break;
}
if (index == -1)
return null;
String result = getTranslatedAtIndex(index, locale);
if (result != null)
return result;
return propertiesAndValue[index * 2 + 1]; // return non-translated value
}
@Override
String getValue(String locale) {
if (propertiesAndValue.length == 0 || propertiesAndValue.length % 2 == 0)
return null;
int index = propertiesAndValue.length - 1;
return getTranslatedAtIndex(index, locale);
}
synchronized private String getTranslatedAtIndex(int index, String locale) {
String[] translated = null;
if (!translatedProperties.containsKey(locale)) {
String[] propertiesNonTranslated = getNonTranslated();
translated = registry.translate(propertiesNonTranslated, getContributor(), locale);
translatedProperties.put(locale, translated);
registry.getObjectManager().markDirty();
} else
translated = translatedProperties.get(locale);
if (translated != null)
return translated[index];
return null;
}
private String[] getNonTranslated() {
int size = propertiesAndValue.length / 2;
boolean hasValue = ((propertiesAndValue.length % 2) == 1);
if (hasValue)
size++;
String[] propertiesNonTranslated = new String[size];
int pos = 0;
for (int i = 1; i < propertiesAndValue.length; i += 2) {
propertiesNonTranslated[pos] = propertiesAndValue[i];
pos++;
}
if (hasValue)
propertiesNonTranslated[pos] = propertiesAndValue[propertiesAndValue.length - 1];
return propertiesNonTranslated;
}
synchronized int getNumCachedLocales() {
return translatedProperties.getSzie();
}
synchronized String[] getCachedLocales() {
return translatedProperties.getKeys();
}
synchronized String[][] getCachedTranslations() {
return translatedProperties.getValues();
}
synchronized void setTranslatedProperties(DirectMap translated) {
translatedProperties = translated;
}
///////////////////////////////////////////////////////////////////////////////////
// "Default" locale
@Override
public String getAttribute(String attrName) {
return getAttribute(attrName, getLocale());
}
@Override
public String getValue() {
return getValue(getLocale());
}
}
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