| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.myfaces.buildtools.maven2.plugin.builder.model; |
| |
| import java.util.Iterator; |
| |
| /** |
| * Simple static helper methods. |
| */ |
| public class ModelUtils |
| { |
| /** |
| * Inherit setting only if current one is empty. |
| */ |
| public static String merge(String curr, String inherited) |
| { |
| if (curr != null) |
| { |
| return curr; |
| } |
| return inherited; |
| } |
| |
| /** |
| * Inherit setting only if current one is empty. |
| */ |
| public static Object merge(Object curr, Object inherited) |
| { |
| if (curr != null) |
| { |
| return curr; |
| } |
| return inherited; |
| } |
| |
| /** |
| * Inherit setting only if current one is empty. |
| */ |
| public static Boolean merge(Boolean curr, Boolean inherited) |
| { |
| if (curr != null) |
| { |
| return curr; |
| } |
| return inherited; |
| } |
| |
| /** |
| * Return a default value if a boolean property is null. |
| */ |
| public static Boolean defaultOf(Boolean val, boolean dflt) |
| { |
| if (val != null) |
| { |
| return val; |
| } |
| else |
| { |
| return Boolean.valueOf(dflt); |
| } |
| } |
| |
| /** |
| * Given two JSF artifacts that can have associated user-settable properties, |
| * merge all the properties one one into the other. |
| * <p> |
| * The dst object is expected to be a "child" of the src object. Any data on dst |
| * therefore overrides stuff on src, but otherwise everything on src gets copied |
| * to dst. |
| */ |
| public static void mergeProps(PropertyHolder dst, PropertyHolder src) |
| { |
| for (Iterator i = src.properties(); i.hasNext();) |
| { |
| PropertyMeta srcProp = (PropertyMeta) i.next(); |
| PropertyMeta dstProp = dst.getProperty(srcProp.getName()); |
| if (dstProp == null) |
| { |
| // Just copy the whole property unaltered |
| dstProp = new PropertyMeta(srcProp); |
| dstProp.setInherited(Boolean.TRUE); |
| dst.addProperty(dstProp); |
| } |
| else |
| { |
| // merge the two property objects together |
| dstProp.merge(srcProp); |
| } |
| } |
| } |
| |
| public static void mergeFacets(FacetHolder dst, FacetHolder src) |
| { |
| for (Iterator i = src.facets(); i.hasNext();) |
| { |
| FacetMeta srcProp = (FacetMeta) i.next(); |
| FacetMeta dstProp = dst.getFacet(srcProp.getName()); |
| if (dstProp == null) |
| { |
| // Just copy the whole property unaltered |
| dstProp = new FacetMeta(srcProp); |
| dstProp.setInherited(Boolean.TRUE); |
| dst.addFacet(dstProp); |
| } |
| else |
| { |
| // merge the two property objects together |
| dstProp.merge(srcProp); |
| } |
| } |
| } |
| |
| /** |
| * @since 1.0.4 |
| * @param dst |
| * @param src |
| */ |
| public static void mergeListeners(ListenerHolder dst, ListenerHolder src) |
| { |
| for (Iterator i = src.listeners(); i.hasNext();) |
| { |
| ListenerMeta srcProp = (ListenerMeta) i.next(); |
| ListenerMeta dstProp = dst.getListener(srcProp.getName()); |
| if (dstProp == null) |
| { |
| // Just copy the whole property unaltered |
| dstProp = new ListenerMeta(srcProp); |
| dstProp.setInherited(Boolean.TRUE); |
| dst.addListener(dstProp); |
| } |
| else |
| { |
| // merge the two property objects together |
| dstProp.merge(srcProp); |
| } |
| } |
| } |
| |
| /** |
| * @since 1.0.4 |
| */ |
| public static void mergeAttributes(AttributeHolder dst, AttributeHolder src) |
| { |
| for (Iterator i = src.attributes(); i.hasNext();) |
| { |
| AttributeMeta srcAttr = (AttributeMeta) i.next(); |
| AttributeMeta dstAttr = dst.getAttribute(srcAttr.getName()); |
| if (dstAttr == null) |
| { |
| // Just copy the whole property unaltered |
| dstAttr = new AttributeMeta(srcAttr); |
| //dstProp.setInherited(Boolean.TRUE); |
| dst.addAttribute(dstAttr); |
| } |
| else |
| { |
| // merge the two property objects together |
| dstAttr.merge(srcAttr); |
| } |
| } |
| } |
| } |