diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/PropertyResource.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/PropertyResource.java | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/PropertyResource.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/PropertyResource.java deleted file mode 100644 index a7cecb4b..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/resources/PropertyResource.java +++ /dev/null @@ -1,206 +0,0 @@ -/* - * 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.tools.ant.types.resources; - -import java.io.ByteArrayInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; - -import org.apache.tools.ant.Project; -import org.apache.tools.ant.PropertyHelper; -import org.apache.tools.ant.types.Resource; -import org.apache.tools.ant.util.PropertyOutputStream; - -/** - * Exposes an Ant property as a Resource. - * @since Ant 1.7 - */ -public class PropertyResource extends Resource { - - /** Magic number */ - private static final int PROPERTY_MAGIC - = Resource.getMagicNumber("PropertyResource".getBytes()); - - private static final InputStream UNSET = new InputStream() { - public int read() { - return -1; - } - }; - - /** - * Default constructor. - */ - public PropertyResource() { - } - - /** - * Construct a new PropertyResource with the specified name. - * @param p the project to use. - * @param n the String name of this PropertyResource (Ant property name/key). - */ - public PropertyResource(Project p, String n) { - super(n); - setProject(p); - } - - /** - * Get the value of this PropertyResource. - * @return the value of the specified Property. - */ - public String getValue() { - if (isReference()) { - return ((PropertyResource) getCheckedRef()).getValue(); - } - Project p = getProject(); - return p == null ? null : p.getProperty(getName()); - } - - /** - * Get the Object value of this PropertyResource. - * @return the Object value of the specified Property. - * @since Ant 1.8.1 - */ - public Object getObjectValue() { - if (isReference()) { - return ((PropertyResource) getCheckedRef()).getObjectValue(); - } - Project p = getProject(); - return p == null ? null : PropertyHelper.getProperty(p, getName()); - } - - /** - * Find out whether this Resource exists. - * @return true if the Property is set, false otherwise. - */ - public boolean isExists() { - if (isReferenceOrProxy()) { - return getReferencedOrProxied().isExists(); - } - return getObjectValue() != null; - } - - /** - * Get the size of this Resource. - * @return the size, as a long, 0 if the Resource does not exist (for - * compatibility with java.io.File), or UNKNOWN_SIZE if not known. - */ - public long getSize() { - if (isReferenceOrProxy()) { - return getReferencedOrProxied().getSize(); - } - Object o = getObjectValue(); - return o == null ? 0L : (long) String.valueOf(o).length(); - } - - /** - * Override to implement equality with equivalent Resources, - * since we are capable of proxying them. - * @param o object to compare - * @return true if equal to o - */ - public boolean equals(Object o) { - if (super.equals(o)) { - return true; - } - return isReferenceOrProxy() && getReferencedOrProxied().equals(o); - } - - /** - * Get the hash code for this Resource. - * @return hash code as int. - */ - public int hashCode() { - if (isReferenceOrProxy()) { - return getReferencedOrProxied().hashCode(); - } - return super.hashCode() * PROPERTY_MAGIC; - } - - /** - * {@inheritDoc} - */ - public String toString() { - if (isReferenceOrProxy()) { - return getReferencedOrProxied().toString(); - } - return getValue(); - } - - /** - * Get an InputStream for the Resource. - * @return an InputStream containing this Resource's content. - * @throws IOException if unable to provide the content of this - * Resource as a stream. - * @throws UnsupportedOperationException if InputStreams are not - * supported for this Resource type. - */ - public InputStream getInputStream() throws IOException { - if (isReferenceOrProxy()) { - return getReferencedOrProxied().getInputStream(); - } - Object o = getObjectValue(); - return o == null ? UNSET : new ByteArrayInputStream(String.valueOf(o).getBytes()); - } - - /** - * Get an OutputStream for the Resource. - * @return an OutputStream to which content can be written. - * @throws IOException if unable to provide the content of this - * Resource as a stream. - * @throws UnsupportedOperationException if OutputStreams are not - * supported for this Resource type. - */ - public OutputStream getOutputStream() throws IOException { - if (isReferenceOrProxy()) { - return getReferencedOrProxied().getOutputStream(); - } - if (isExists()) { - throw new ImmutableResourceException(); - } - return new PropertyOutputStream(getProject(), getName()); - } - - /** - * Learn whether this PropertyResource either refers to another Resource - * or proxies another Resource due to its object property value being said Resource. - * @return boolean - */ - protected boolean isReferenceOrProxy() { - return isReference() || getObjectValue() instanceof Resource; - } - - /** - * Get the referenced or proxied Resource, if applicable. - * @return Resource - * @throws IllegalStateException if this PropertyResource neither proxies nor - * references another Resource. - */ - protected Resource getReferencedOrProxied() { - if (isReference()) { - return (Resource) getCheckedRef(Resource.class, "resource"); - } - Object o = getObjectValue(); - if (o instanceof Resource) { - return (Resource) o; - } - throw new IllegalStateException( - "This PropertyResource does not reference or proxy another Resource"); - } -} |