diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ExpandProperties.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ExpandProperties.java | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ExpandProperties.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ExpandProperties.java deleted file mode 100644 index 524a799b..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ExpandProperties.java +++ /dev/null @@ -1,142 +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.filters; - -import java.io.IOException; -import java.io.Reader; -import java.util.Properties; - -import org.apache.tools.ant.BuildException; -import org.apache.tools.ant.Project; -import org.apache.tools.ant.PropertyHelper; -import org.apache.tools.ant.property.GetProperty; -import org.apache.tools.ant.property.ParseProperties; -import org.apache.tools.ant.types.PropertySet; - -/** - * Expands Ant properties, if any, in the data. - * <p> - * Example:<br> - * <pre><expandproperties/></pre> - * Or: - * <pre><filterreader - * classname="org.apache.tools.ant.filters.ExpandProperties"/></pre> - * - */ -public final class ExpandProperties - extends BaseFilterReader - implements ChainableReader { - - private static final int EOF = -1; - - private char[] buffer; - private int index; - private PropertySet propertySet; - - /** - * Constructor for "dummy" instances. - * - * @see BaseFilterReader#BaseFilterReader() - */ - public ExpandProperties() { - super(); - } - - /** - * Creates a new filtered reader. - * - * @param in A Reader object providing the underlying stream. - * Must not be <code>null</code>. - */ - public ExpandProperties(final Reader in) { - super(in); - } - - /** - * Restrict the expanded properties using a PropertySet. - * @param propertySet replacement lookup - */ - public void add(PropertySet propertySet) { - if (this.propertySet != null) { - throw new BuildException("expandproperties filter accepts only one propertyset"); - } - this.propertySet = propertySet; - } - - /** - * Returns the next character in the filtered stream. The original - * stream is first read in fully, and the Ant properties are expanded. - * The results of this expansion are then queued so they can be read - * character-by-character. - * - * @return the next character in the resulting stream, or -1 - * if the end of the resulting stream has been reached - * - * @exception IOException if the underlying stream throws an IOException - * during reading - */ - public int read() throws IOException { - if (index > EOF) { - if (buffer == null) { - String data = readFully(); - Project project = getProject(); - GetProperty getProperty; - if (propertySet == null) { - getProperty = PropertyHelper.getPropertyHelper(project); - } else { - final Properties props = propertySet.getProperties(); - getProperty = new GetProperty() { - - public Object getProperty(String name) { - return props.getProperty(name); - } - }; - } - Object expanded = new ParseProperties(project, PropertyHelper - .getPropertyHelper(project) - .getExpanders(), - getProperty) - .parseProperties(data); - buffer = expanded == null ? new char[0] - : expanded.toString().toCharArray(); - } - if (index < buffer.length) { - return buffer[index++]; - } - index = EOF; - } - return EOF; - } - - /** - * Creates a new ExpandProperties filter using the passed in - * Reader for instantiation. - * - * @param rdr A Reader object providing the underlying stream. - * Must not be <code>null</code>. - * - * @return a new filter based on this configuration, but filtering - * the specified reader - */ - public Reader chain(final Reader rdr) { - ExpandProperties newFilter = new ExpandProperties(rdr); - newFilter.setProject(getProject()); - newFilter.add(propertySet); - return newFilter; - } -} |