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AbstractJavaEEFacet.java
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/
AbstractJavaEEFacet.java
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/*
* Copyright 2012 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Eclipse Public License version 1.0, available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.jboss.forge.addon.javaee;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.inject.Inject;
import org.jboss.forge.addon.dependencies.Dependency;
import org.jboss.forge.addon.dependencies.builder.DependencyBuilder;
import org.jboss.forge.addon.facets.AbstractFacet;
import org.jboss.forge.addon.projects.Project;
import org.jboss.forge.addon.projects.dependencies.DependencyInstaller;
import org.jboss.forge.addon.projects.facets.DependencyFacet;
/**
* A base facet implementation for Facets which require Java EE library APIs to be installed.
*
* @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
* @author <a href="mailto:ggastald@redhat.com">George Gastaldi</a>
*
*/
public abstract class AbstractJavaEEFacet extends AbstractFacet<Project> implements JavaEEFacet
{
// Version is statically set
protected static final Dependency JAVAEE6 = DependencyBuilder.create("org.jboss.spec:jboss-javaee-6.0")
.setScopeType("import")
.setPackaging("pom").setVersion("3.0.3.Final");
protected static final Dependency JAVAEE7 = DependencyBuilder.create().setGroupId("javax")
.setArtifactId("javaee-api").setVersion("7.0")
.setScopeType("provided");
private final DependencyInstaller installer;
@Inject
public AbstractJavaEEFacet(final DependencyInstaller installer)
{
this.installer = installer;
}
/**
* Return a {@link Map} where KEY represents a {@link Dependency} to be installed if none of the VALUE
* {@link Dependency} are installed.
*/
abstract protected Map<Dependency, List<Dependency>> getRequiredDependencyOptions();
@Override
public boolean install()
{
DependencyFacet deps = origin.getFacet(DependencyFacet.class);
for (Entry<Dependency, List<Dependency>> group : getRequiredDependencyOptions().entrySet())
{
boolean satisfied = false;
for (Dependency dependency : group.getValue())
{
if (deps.hasEffectiveDependency(dependency))
{
satisfied = true;
break;
}
}
if (!satisfied)
{
for (Dependency dependency : getRequiredManagedDependenciesFor(group.getKey()))
{
installer.installManaged(origin, dependency);
}
installer.install(origin, group.getKey());
}
}
return true;
}
/**
* Returns the required managed dependencies for the given dependency when {@link AbstractJavaEEFacet#install()} is
* called.
*/
protected Iterable<Dependency> getRequiredManagedDependenciesFor(Dependency dependency)
{
return Collections.singleton(JAVAEE6);
}
@Override
public boolean isInstalled()
{
return dependencyRequirementsMet();
}
protected boolean dependencyRequirementsMet()
{
if (!origin.hasFacet(DependencyFacet.class))
{
return false;
}
DependencyFacet deps = origin.getFacet(DependencyFacet.class);
for (Entry<Dependency, List<Dependency>> group : getRequiredDependencyOptions().entrySet())
{
boolean satisfied = false;
for (Dependency dependency : group.getValue())
{
if (deps.hasEffectiveDependency(dependency))
{
satisfied = true;
break;
}
}
if (!satisfied)
return false;
}
return true;
}
@Override
public int hashCode()
{
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((getSpecName() == null) ? 0 : getSpecName().hashCode());
result = prime * result + ((getSpecVersion() == null) ? 0 : getSpecVersion().hashCode());
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
return true;
if (!super.equals(obj))
return false;
if (getClass() != obj.getClass())
return false;
AbstractJavaEEFacet other = (AbstractJavaEEFacet) obj;
if (getSpecName() == null)
{
if (other.getSpecName() != null)
return false;
}
else if (!getSpecName().equals(other.getSpecName()))
return false;
if (getSpecVersion() == null)
{
if (other.getSpecVersion() != null)
return false;
}
else if (!getSpecVersion().equals(other.getSpecVersion()))
return false;
return true;
}
protected DependencyInstaller getInstaller()
{
return installer;
}
@Override
public String toString()
{
return String.format("%s %s", getSpecName(), getSpecVersion());
}
}