Author: akazakov Date: 2010-12-15 12:01:31 -0500 (Wed, 15 Dec 2010) New Revision: 27517 Modified: trunk/cdi/plugins/org.jboss.tools.cdi.core/src/org/jboss/tools/cdi/core/CDIUtil.java Log: https://issues.jboss.org/browse/JBIDE-7894 Modified: trunk/cdi/plugins/org.jboss.tools.cdi.core/src/org/jboss/tools/cdi/core/CDIUtil.java =================================================================== --- trunk/cdi/plugins/org.jboss.tools.cdi.core/src/org/jboss/tools/cdi/core/CDIUtil.java 2010-12-15 16:47:33 UTC (rev 27516) +++ trunk/cdi/plugins/org.jboss.tools.cdi.core/src/org/jboss/tools/cdi/core/CDIUtil.java 2010-12-15 17:01:31 UTC (rev 27517) @@ -38,6 +38,7 @@ import org.eclipse.jdt.core.IField; import org.eclipse.jdt.core.IJavaElement; import org.eclipse.jdt.core.ILocalVariable; +import org.eclipse.jdt.core.IMemberValuePair; import org.eclipse.jdt.core.IMethod; import org.eclipse.jdt.core.ISourceRange; import org.eclipse.jdt.core.IType; @@ -992,4 +993,79 @@ } return result; } + + /** + * Check all the values of @Target declaration of the annotation. + * Returns null if there is no @Target at all. Returns true if any of the variants presents. + * For example this method will return true for {{TYPE, FIELD, METHOD}, {TYPE}} for @Target(TYPE) + * @param annotationType + * @param variants + * @return + * @throws JavaModelException + */ + public static Boolean checkTargetAnnotation(ICDIAnnotation annotationType, String[][] variants) throws JavaModelException { + IAnnotationDeclaration target = annotationType.getAnnotationDeclaration(CDIConstants.TARGET_ANNOTATION_TYPE_NAME); + return target == null?null:checkTargetAnnotation(target, variants); + } + + /** + * Check all the values of @Target declaration + * Returns true if any of the variants presents. + * For example this method will return true for {{TYPE, FIELD, METHOD}, {TYPE}} for @Target(TYPE) + * @param target + * @param variants + * @return + * @throws JavaModelException + */ + public static boolean checkTargetAnnotation(IAnnotationDeclaration target, String[][] variants) throws JavaModelException { + Set<String> vs = getTargetAnnotationValues(target); + boolean ok = false; + for (int i = 0; i < variants.length; i++) { + if(vs.size() == variants[i].length) { + boolean ok2 = true; + String[] values = variants[i]; + for (String s: values) { + if(!vs.contains(s)) { + ok2 = false; + break; + } + } + if(ok2) { + ok = true; + break; + } + } + } + return ok; + } + + /** + * Returns values of @Tagret declaration of the annotation type. + * @param target + * @return + * @throws JavaModelException + */ + public static Set<String> getTargetAnnotationValues(IAnnotationDeclaration target) throws JavaModelException { + Set<String> result = new HashSet<String>(); + IMemberValuePair[] ps = target.getDeclaration().getMemberValuePairs(); + for (IMemberValuePair p: ps) { + if(!"value".equals(p.getMemberName())) continue; + Object o = p.getValue(); + if(o instanceof Object[]) { + Object[] os = (Object[])o; + for (Object q: os) { + String s = q.toString(); + int i = s.lastIndexOf('.'); + if(i >= 0) s = s.substring(i + 1); + result.add(s); + } + } else if(o != null) { + String s = o.toString(); + int i = s.lastIndexOf('.'); + if(i >= 0) s = s.substring(i + 1); + result.add(s); + } + } + return result; + } } \ No newline at end of file