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106 changes: 106 additions & 0 deletions
106
facets/api/src/main/java/org/jboss/forge/addon/facets/BaseFaceted.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| package org.jboss.forge.addon.facets; | ||
|
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| import java.util.Collections; | ||
| import java.util.HashSet; | ||
| import java.util.Set; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
|
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| public abstract class BaseFaceted implements Faceted | ||
| { | ||
| private Set<Facet<?>> facets = Collections.newSetFromMap(new ConcurrentHashMap<Facet<?>, Boolean>()); | ||
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| @Override | ||
| public boolean hasFacet(Class<? extends Facet<?>> type) | ||
| { | ||
| try | ||
| { | ||
| getFacet(type); | ||
| return true; | ||
| } | ||
| catch (FacetNotFoundException e) | ||
| { | ||
| return false; | ||
| } | ||
| } | ||
|
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| @Override | ||
| public boolean hasAllFacets(Iterable<Class<? extends Facet<?>>> iterable) | ||
| { | ||
| for (Class<? extends Facet<?>> type : iterable) | ||
| { | ||
| if (!hasFacet(type)) | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| public boolean hasAllFacets(Class<? extends Facet<?>>... types) | ||
| { | ||
| for (Class<? extends Facet<?>> type : types) | ||
| { | ||
| if (!hasFacet(type)) | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public <F extends Facet<?>> F getFacet(Class<F> type) throws FacetNotFoundException | ||
| { | ||
| for (Facet<?> facet : facets) | ||
| { | ||
| if (type.isAssignableFrom(facet.getClass())) | ||
| return (F) facet; | ||
| } | ||
| throw new FacetNotFoundException("No Facet of type [" + type + "] is installed."); | ||
| } | ||
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| @Override | ||
| public Iterable<? extends Facet<?>> getFacets() | ||
| { | ||
| return Collections.unmodifiableCollection(facets); | ||
| } | ||
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public <F extends Facet<?>> Iterable<F> getFacets(Class<F> type) | ||
| { | ||
| Set<F> result = new HashSet<F>(); | ||
| for (Facet<?> facet : facets) | ||
| { | ||
| if (type.isAssignableFrom(facet.getClass())) | ||
| result.add((F) facet); | ||
| } | ||
| return result; | ||
| } | ||
|
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public boolean install(Facet<?> facet) | ||
| { | ||
| if (facet.getOrigin() != this) | ||
| throw new IllegalArgumentException("Facet.getOrigin() was [" + facet.getOrigin() | ||
| + "] but needed to be [" + this + "]."); | ||
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| if (supports((Class<? extends Facet<?>>) facet.getClass())) | ||
| { | ||
| if (facet.isInstalled() || facet.install()) | ||
| { | ||
| facets.add(facet); | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| public boolean uninstall(Facet<?> facet) | ||
| { | ||
| if (facet.isInstalled()) | ||
| return facet.uninstall(); | ||
| return true; | ||
| } | ||
|
|
||
| } |
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22 changes: 22 additions & 0 deletions
22
facets/api/src/test/java/org/jboss/forge/addon/facets/BaseFacetTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package org.jboss.forge.addon.facets; | ||
|
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| import org.junit.Assert; | ||
| import org.junit.Test; | ||
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| public class BaseFacetTest | ||
| { | ||
| @Test | ||
| public void testGetOriginReturnsOriginFromInstantiation() | ||
| { | ||
| MockFaceted faceted = new MockFaceted(); | ||
| MockFacet facet = new MockFacet(faceted); | ||
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| Assert.assertEquals(faceted, facet.getOrigin()); | ||
| } | ||
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| @Test(expected = IllegalArgumentException.class) | ||
| public void testInstantiationWithoutOriginThrowsException() | ||
| { | ||
| new MockFacet(null); | ||
| } | ||
| } |
73 changes: 73 additions & 0 deletions
73
facets/api/src/test/java/org/jboss/forge/addon/facets/BaseFacetedTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package org.jboss.forge.addon.facets; | ||
|
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| import java.util.ArrayList; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
|
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| import org.junit.Assert; | ||
| import org.junit.Test; | ||
|
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| /** | ||
| * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a> | ||
| */ | ||
| public class BaseFacetedTest | ||
| { | ||
| @Test | ||
| public void testInstall() | ||
| { | ||
| MockFaceted faceted = new MockFaceted(); | ||
| MockFacet facet = new MockFacet(faceted); | ||
|
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| Assert.assertTrue(faceted.install(facet)); | ||
| Assert.assertTrue(faceted.hasFacet(MockFacet.class)); | ||
| List<Class<? extends Facet<?>>> list = new ArrayList<Class<? extends Facet<?>>>(); | ||
| list.add(MockFacet.class); | ||
| Assert.assertTrue(faceted.hasAllFacets(list)); | ||
| Assert.assertEquals(facet, faceted.getFacet(MockFacet.class)); | ||
| } | ||
|
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| @Test | ||
| public void testInstallUnsupported() | ||
| { | ||
| MockFaceted faceted = new MockFaceted(); | ||
| MockFacet2 facet = new MockFacet2(faceted); | ||
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| Assert.assertFalse(faceted.install(facet)); | ||
| } | ||
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| @Test | ||
| public void testInstallIsIdempotent() | ||
| { | ||
| MockFaceted faceted = new MockFaceted(); | ||
| MockFacet facet = new MockFacet(faceted); | ||
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| Assert.assertTrue(faceted.install(facet)); | ||
| Assert.assertTrue(faceted.install(facet)); | ||
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| Assert.assertTrue(faceted.hasFacet(MockFacet.class)); | ||
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| Iterator<? extends Facet<?>> iterator = faceted.getFacets().iterator(); | ||
| Assert.assertEquals(facet, iterator.next()); | ||
| Assert.assertFalse(iterator.hasNext()); | ||
| } | ||
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| @Test | ||
| public void testUnInstall() | ||
| { | ||
| MockFaceted faceted = new MockFaceted(); | ||
| MockFacet facet = new MockFacet(faceted); | ||
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| Assert.assertTrue(faceted.uninstall(facet)); | ||
| Assert.assertTrue(faceted.install(facet)); | ||
| Assert.assertTrue(faceted.uninstall(facet)); | ||
| } | ||
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| @Test | ||
| public void testSupports() | ||
| { | ||
| MockFaceted faceted = new MockFaceted(); | ||
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| Assert.assertTrue(faceted.supports(MockFacet.class)); | ||
| Assert.assertFalse(faceted.supports(MockFacet2.class)); | ||
| } | ||
| } |
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