| /* |
| * |
| * 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.royale.compiler.internal.targets; |
| |
| import java.util.Map; |
| |
| import org.apache.royale.compiler.tree.metadata.IMetaTagNode; |
| import com.google.common.base.Strings; |
| |
| /** |
| * An implementation of {@link ITargetAttributes} based on a |
| * {@link IMetaTagNode}. |
| */ |
| public class TargetAttributesMetadata extends TargetAttributeBase |
| { |
| |
| /** |
| * Initialize from a {@code IMetaTagNode}. |
| * |
| * @param metaTagNode Metadata tag node. |
| */ |
| public TargetAttributesMetadata(final IMetaTagNode metaTagNode) |
| { |
| assert metaTagNode != null : "meta tag node can't be null"; |
| this.metaTagNode = metaTagNode; |
| } |
| |
| /** |
| * The metadata tag node that contains the attribute values. |
| */ |
| private final IMetaTagNode metaTagNode; |
| |
| /** |
| * Parse the value of the given key as a Float. |
| * |
| * @param key Attribute name. |
| * @return Float value or null if {@code key} isn't in the map. |
| */ |
| @Override |
| Float parseFloat(final String key) |
| { |
| final String value = metaTagNode.getAttributeValue(key); |
| if (Strings.isNullOrEmpty(value)) |
| return null; |
| else |
| return Float.parseFloat(value); |
| } |
| |
| /** |
| * Parse the value of the given key as a Integer. |
| * |
| * @param key Attribute name. |
| * @return Integer value or null if {@code key} isn't in the map. |
| */ |
| @Override |
| Integer parseInteger(final String key) |
| { |
| final String value = metaTagNode.getAttributeValue(key); |
| if (Strings.isNullOrEmpty(value)) |
| return null; |
| else |
| return Integer.parseInt(value); |
| } |
| |
| /** |
| * Parse the value of the given key as a Boolean. |
| * |
| * @param key Attribute name. |
| * @return Boolean value or null if {@code key} isn't in the map. |
| */ |
| @Override |
| Boolean parseBoolean(final String key) |
| { |
| final String value = metaTagNode.getAttributeValue(key); |
| if (Strings.isNullOrEmpty(value)) |
| return null; |
| else |
| return Boolean.parseBoolean(value); |
| } |
| |
| /** |
| * Parse the value of the given key as a String. |
| * |
| * @param key Attribute name. |
| * @return String value or null if {@code key} isn't in the map. |
| */ |
| @Override |
| String parseString(final String key) |
| { |
| return metaTagNode.getAttributeValue(key); |
| } |
| |
| @Override |
| Double parsePercentage(final String key) |
| { |
| final String value = metaTagNode.getAttributeValue(key); |
| if (value == null) |
| return null; |
| else |
| return super.parsePercentageValue(value); |
| } |
| |
| @Override |
| boolean isPercentage(final String key) |
| { |
| final String value = metaTagNode.getAttributeValue(key); |
| if (value == null) |
| return false; |
| else |
| return super.isPercentageValue(value); |
| } |
| |
| /** |
| * {@link IMetaTagNode} doesn't have API to enumerate all attribute keys. If |
| * this method is ever needed, we will need to create an implementation of |
| * {@link IMetaTagNode} for {@code [SWF]} metadata. |
| */ |
| @Override |
| public Map<String, String> getRootInfoAttributes() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| } |