Example usage for org.apache.commons.collections4.iterators IteratorIterable IteratorIterable

Introduction

In this page you can find the example usage for org.apache.commons.collections4.iterators IteratorIterable IteratorIterable.

Prototype

public IteratorIterable(final Iterator<? extends E> iterator, final boolean multipleUse) 

Source Link

Document

Constructs a new IteratorIterable that will use the given iterator.

Usage

From source file:org.apache.sling.resourcemerger.impl.CommonMergedResourceProviderTest.java

@Test
public void testHideChildren() throws PersistenceException {
    // create new child nodes below base and overlay
    MockHelper.create(this.resolver).resource("/apps/base/child1").p("property1", "frombase")
            .resource("/apps/base/child2").p("property1", "frombase").resource("/apps/overlay/child1")
            .p("property1", "fromoverlay").resource("/apps/overlay/child3").p("property1", "fromoverlay")
            .commit();/*from   w ww. ja va2  s  .  co  m*/

    ModifiableValueMap properties = overlay.adaptTo(ModifiableValueMap.class);
    properties.put(MergedResourceConstants.PN_HIDE_CHILDREN, "*");
    resolver.commit();

    Resource mergedResource = this.provider.getResource(ctx, "/merged", ResourceContext.EMPTY_CONTEXT, null);

    // convert the iterator returned by list children into an iterable (to be able to perform some tests)
    IteratorIterable<Resource> iterable = new IteratorIterable<Resource>(
            provider.listChildren(ctx, mergedResource), true);

    // all overlay resource are still exposed, because hiding children by wildcard only hides children from underlying resources
    Assert.assertThat(iterable,
            Matchers.containsInAnyOrder(
                    ResourceMatchers.resourceWithNameAndProps("child1",
                            Collections.singletonMap("property1", (Object) "fromoverlay")),
                    ResourceMatchers.resourceWithNameAndProps("child3",
                            Collections.singletonMap("property1", (Object) "fromoverlay"))));

    // now hide by explicit value
    properties.put(MergedResourceConstants.PN_HIDE_CHILDREN, "child1");
    resolver.commit();

    // child1 is no longer exposed from overlay, because hiding children by name hides children from underlying as well as from local resources, child2 is exposed from base
    iterable = new IteratorIterable<Resource>(provider.listChildren(ctx, mergedResource), true);
    Assert.assertThat(iterable, Matchers.containsInAnyOrder(ResourceMatchers.resourceWithName("child2"),
            ResourceMatchers.resourceWithName("child3")));

    // now hide by negated value (hide all underlying children except for the one with name child2)
    properties.put(MergedResourceConstants.PN_HIDE_CHILDREN, new String[] { "!child2", "*", "child3" });
    resolver.commit();

    iterable = new IteratorIterable<Resource>(provider.listChildren(ctx, mergedResource), true);
    Assert.assertThat(iterable,
            Matchers.containsInAnyOrder(ResourceMatchers.resourceWithName("child2"),
                    ResourceMatchers.resourceWithNameAndProps("child1",
                            Collections.singletonMap("property1", (Object) "fromoverlay"))));
}

---

From source file:org.apache.sling.resourcemerger.impl.CommonMergedResourceProviderTest.java

@Test
public void testHideChildrenWithResourceNamesStartingWithExclamationMark() throws PersistenceException {
    // create new child nodes below base and overlay
    MockHelper.create(this.resolver).resource("/apps/base/!child1").p("property1", "frombase")
            .resource("/apps/overlay/!child1").p("property1", "fromoverlay").resource("/apps/overlay/!child3")
            .p("property1", "fromoverlay").commit();

    ModifiableValueMap properties = overlay.adaptTo(ModifiableValueMap.class);
    properties.put(MergedResourceConstants.PN_HIDE_CHILDREN, "!!child3"); // escape the resource name with another exclamation mark
    resolver.commit();//from  ww w.  ja  va 2s  .c om

    Resource mergedResource = this.provider.getResource(ctx, "/merged", ResourceContext.EMPTY_CONTEXT, null);

    // convert the iterator returned by list children into an iterable (to be able to perform some tests)
    IteratorIterable<Resource> iterable = new IteratorIterable<Resource>(
            provider.listChildren(ctx, mergedResource), true);

    // the resource named "!child3" should be hidden
    Assert.assertThat(iterable, Matchers.contains(ResourceMatchers.resourceWithNameAndProps("!child1",
            Collections.singletonMap("property1", (Object) "fromoverlay"))));
}

---

From source file:org.apache.sling.resourcemerger.impl.CommonMergedResourceProviderTest.java

@Test
public void testOrderOfPartiallyOverwrittenChildren() throws PersistenceException {
    // see https://issues.apache.org/jira/browse/SLING-4915

    // create new child nodes below base and overlay
    MockHelper.create(this.resolver).resource("/apps/base/child1").resource("/apps/base/child2")
            .resource("/apps/base/child3").resource("/apps/overlay/child4").resource("/apps/overlay/child2")
            .resource("/apps/overlay/child3").commit();

    Resource mergedResource = this.provider.getResource(ctx, "/merged", ResourceContext.EMPTY_CONTEXT, null);
    // convert the iterator returned by list children into an iterable (to be able to perform some tests)
    IteratorIterable<Resource> iterable = new IteratorIterable<Resource>(
            provider.listChildren(ctx, mergedResource), true);

    Assert.assertThat(iterable,/*from  w w  w .j av a 2 s  .  c om*/
            Matchers.contains(ResourceMatchers.resourceWithName("child1"),
                    ResourceMatchers.resourceWithName("child4"), ResourceMatchers.resourceWithName("child2"),
                    ResourceMatchers.resourceWithName("child3")));
}

---

From source file:org.apache.sling.resourcemerger.impl.CommonMergedResourceProviderTest.java

@Test
public void testOrderOfNonOverlappingChildren() throws PersistenceException {
    // create new child nodes below base and overlay
    MockHelper.create(this.resolver).resource("/apps/base/child1").resource("/apps/base/child2")
            .resource("/apps/overlay/child3").resource("/apps/overlay/child4").commit();
    Resource mergedResource = this.provider.getResource(ctx, "/merged", ResourceContext.EMPTY_CONTEXT, null);
    // convert the iterator returned by list children into an iterable (to be able to perform some tests)
    IteratorIterable<Resource> iterable = new IteratorIterable<Resource>(
            provider.listChildren(ctx, mergedResource), true);

    Assert.assertThat(iterable,// w w  w.j  a  v  a  2  s. c  o m
            Matchers.contains(ResourceMatchers.resourceWithName("child1"),
                    ResourceMatchers.resourceWithName("child2"), ResourceMatchers.resourceWithName("child3"),
                    ResourceMatchers.resourceWithName("child4")));
}

---

From source file:org.apache.sling.resourcemerger.impl.CommonMergedResourceProviderTest.java

@Test
public void testOrderBeingModifiedThroughOrderBefore() throws PersistenceException {
    // create new child nodes below base and overlay
    MockHelper.create(this.resolver).resource("/apps/base/child1").resource("/apps/base/child2")
            .resource("/apps/overlay/child3").p(MergedResourceConstants.PN_ORDER_BEFORE, "child2").commit();
    Resource mergedResource = this.provider.getResource(ctx, "/merged", ResourceContext.EMPTY_CONTEXT, null);
    // convert the iterator returned by list children into an iterable (to be able to perform some tests)
    IteratorIterable<Resource> iterable = new IteratorIterable<Resource>(
            provider.listChildren(ctx, mergedResource), true);

    Assert.assertThat(iterable, Matchers.contains(ResourceMatchers.resourceWithName("child1"),
            ResourceMatchers.resourceWithName("child3"), ResourceMatchers.resourceWithName("child2")));
}

---