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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.releng.internal.version;
import org.eclipse.emf.cdo.releng.version.IElement;
import org.eclipse.emf.cdo.releng.version.IElementResolver;
import org.eclipse.emf.cdo.releng.version.IReleaseManager;
import org.eclipse.emf.cdo.releng.version.VersionUtil;
import org.eclipse.pde.core.IModel;
import org.osgi.framework.Version;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* @author Eike Stepper
*/
public class Element implements IElement
{
private Element.Type type;
private String name;
private Version version;
private boolean licenseFeature;
private List<IElement> children = new ArrayList<IElement>();
private Set<IElement> allChildren;
public Element(Element.Type type, String name, Version version)
{
this.type = type;
this.name = name;
this.version = VersionUtil.normalize(version);
}
public Element(Element.Type type, String name, String version)
{
this(type, name, new Version(version));
}
public Element(Type type, String name)
{
this.type = type;
this.name = name;
version = Version.emptyVersion;
}
public Type getType()
{
return type;
}
public String getTag()
{
return type == Type.PLUGIN ? Release.PLUGIN_TAG : Release.FEATURE_TAG;
}
public String getName()
{
return name;
}
public Version getVersion()
{
return version;
}
public boolean isLicenseFeature()
{
return licenseFeature;
}
public void setLicenseFeature(boolean licenseFeature)
{
this.licenseFeature = licenseFeature;
}
public List<IElement> getChildren()
{
return children;
}
public Set<IElement> getAllChildren(IElementResolver resolver)
{
if (allChildren == null)
{
allChildren = new HashSet<IElement>();
for (IElement child : children)
{
recurseChildren(resolver, child);
}
}
return allChildren;
}
private void recurseChildren(IElementResolver resolver, IElement element)
{
if (allChildren.add(element))
{
IElement topElement = resolver.resolveElement(element);
if (topElement == null)
{
// If we fail to find it with an exact version, we try it with an omni version and use that for the children.
//
topElement = resolver.resolveElement(element.trimVersion());
if (topElement == null)
{
return;
}
}
for (IElement child : topElement.getChildren())
{
if (!child.isLicenseFeature())
{
recurseChildren(resolver, child);
}
}
}
}
public IElement getChild(IElementResolver resolver, IElement key)
{
Set<IElement> allChildren = getAllChildren(resolver);
for (IElement child : allChildren)
{
if (child.equals(key))
{
return child;
}
}
return null;
}
@Override
public String toString()
{
return "Element[type=" + type + ", name=" + name + ", version=" + version + "]";
}
@Override
public int hashCode()
{
final int prime = 31;
int result = 1;
result = prime * result + (name == null ? 0 : name.hashCode());
result = prime * result + (getType() == null ? 0 : getType().hashCode());
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
{
return true;
}
if (obj == null)
{
return false;
}
if (!(obj instanceof Element))
{
return false;
}
Element other = (Element)obj;
if (name == null)
{
if (other.name != null)
{
return false;
}
}
else if (!name.equals(other.name))
{
return false;
}
if (getType() != other.getType())
{
return false;
}
if (!version.equals(Version.emptyVersion) && !other.getVersion().equals(Version.emptyVersion))
{
if (!version.equals(other.getVersion()))
{
return false;
}
}
return true;
}
public IElement trimVersion()
{
return new Element(type, name);
}
public boolean isVersionUnresolved()
{
return version.equals(Version.emptyVersion);
}
void resolveVersion()
{
version = getResolvedVersion();
}
public Version getResolvedVersion()
{
if (isVersionUnresolved())
{
IModel componentModel = IReleaseManager.INSTANCE.getComponentModel(this);
if (componentModel != null)
{
return VersionUtil.getComponentVersion(componentModel);
}
}
return version;
}
}
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