--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpeclipse.phpeditor;
+
+import java.util.Collections;
+import java.util.Iterator;
+
+import org.eclipse.jface.text.source.Annotation;
+import org.eclipse.jface.text.source.IAnnotationModel;
+
+/**
+ * Filters problems based on their types.
+ */
+public class JavaAnnotationIterator implements Iterator {
+
+ private Iterator fIterator;
+
+ private Annotation fNext;
+
+ private boolean fSkipIrrelevants;
+
+ private boolean fReturnAllAnnotations;
+
+ /**
+ * Equivalent to
+ * <code>JavaAnnotationIterator(model, skipIrrelevants, false)</code>.
+ */
+ public JavaAnnotationIterator(IAnnotationModel model,
+ boolean skipIrrelevants) {
+ this(model, skipIrrelevants, false);
+ }
+
+ /**
+ * Returns a new JavaAnnotationIterator.
+ *
+ * @param model
+ * the annotation model
+ * @param skipIrrelevants
+ * whether to skip irrelevant annotations
+ * @param returnAllAnnotations
+ * Whether to return non IJavaAnnotations as well
+ */
+ public JavaAnnotationIterator(IAnnotationModel model,
+ boolean skipIrrelevants, boolean returnAllAnnotations) {
+ fReturnAllAnnotations = returnAllAnnotations;
+ if (model != null)
+ fIterator = model.getAnnotationIterator();
+ else
+ fIterator = Collections.EMPTY_LIST.iterator();
+ fSkipIrrelevants = skipIrrelevants;
+ skip();
+ }
+
+ private void skip() {
+ while (fIterator.hasNext()) {
+ Annotation next = (Annotation) fIterator.next();
+ if (next instanceof IJavaAnnotation) {
+ if (fSkipIrrelevants) {
+ if (!next.isMarkedDeleted()) {
+ fNext = next;
+ return;
+ }
+ } else {
+ fNext = next;
+ return;
+ }
+ } else if (fReturnAllAnnotations) {
+ fNext = next;
+ return;
+ }
+ }
+ fNext = null;
+ }
+
+ /*
+ * @see Iterator#hasNext()
+ */
+ public boolean hasNext() {
+ return fNext != null;
+ }
+
+ /*
+ * @see Iterator#next()
+ */
+ public Object next() {
+ try {
+ return fNext;
+ } finally {
+ skip();
+ }
+ }
+
+ /*
+ * @see Iterator#remove()
+ */
+ public void remove() {
+ throw new UnsupportedOperationException();
+ }
+}