diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ConcatFilter.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ConcatFilter.java | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ConcatFilter.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ConcatFilter.java deleted file mode 100644 index 0ac6024b..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/ConcatFilter.java +++ /dev/null @@ -1,218 +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.BufferedReader; -import java.io.File; -import java.io.FileReader; -import java.io.IOException; -import java.io.Reader; - -import org.apache.tools.ant.types.Parameter; - -/** - * Concats a file before and/or after the file. - * - * <p>Example:</p><pre> - * <copy todir="build"> - * <fileset dir="src" includes="*.java"/> - * <filterchain> - * <concatfilter prepend="apache-license-java.txt"/> - * </filterchain> - * </copy> - * </pre> - * - * <p>Copies all java sources from <i>src</i> to <i>build</i> and adds the - * content of <i>apache-license-java.txt</i> add the beginning of each - * file.</p> - * - * @since 1.6 - * @version 2003-09-23 - */ -public final class ConcatFilter extends BaseParamFilterReader - implements ChainableReader { - - /** File to add before the content. */ - private File prepend; - - /** File to add after the content. */ - private File append; - - /** Reader for prepend-file. */ - private Reader prependReader = null; - - /** Reader for append-file. */ - private Reader appendReader = null; - - /** - * Constructor for "dummy" instances. - * - * @see BaseFilterReader#BaseFilterReader() - */ - public ConcatFilter() { - super(); - } - - /** - * Creates a new filtered reader. - * - * @param in A Reader object providing the underlying stream. - * Must not be <code>null</code>. - */ - public ConcatFilter(final Reader in) { - super(in); - } - - /** - * Returns the next character in the filtered stream. If the desired - * number of lines have already been read, the resulting stream is - * effectively at an end. Otherwise, the next character from the - * underlying stream is read and returned. - * - * @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 - */ - @Override - public int read() throws IOException { - // do the "singleton" initialization - if (!getInitialized()) { - initialize(); - setInitialized(true); - } - - int ch = -1; - - // The readers return -1 if they end. So simply read the "prepend" - // after that the "content" and at the end the "append" file. - if (prependReader != null) { - ch = prependReader.read(); - if (ch == -1) { - // I am the only one so I have to close the reader - prependReader.close(); - prependReader = null; - } - } - if (ch == -1) { - ch = super.read(); - } - if (ch == -1) { - // don't call super.close() because that reader is used - // on other places ... - if (appendReader != null) { - ch = appendReader.read(); - if (ch == -1) { - // I am the only one so I have to close the reader - appendReader.close(); - appendReader = null; - } - } - } - - return ch; - } - - /** - * Sets <i>prepend</i> attribute. - * @param prepend new value - */ - public void setPrepend(final File prepend) { - this.prepend = prepend; - } - - /** - * Returns <i>prepend</i> attribute. - * @return prepend attribute - */ - public File getPrepend() { - return prepend; - } - - /** - * Sets <i>append</i> attribute. - * @param append new value - */ - public void setAppend(final File append) { - this.append = append; - } - - /** - * Returns <i>append</i> attribute. - * @return append attribute - */ - public File getAppend() { - return append; - } - - /** - * Creates a new ConcatReader 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) { - final ConcatFilter newFilter = new ConcatFilter(rdr); - newFilter.setPrepend(getPrepend()); - newFilter.setAppend(getAppend()); - // Usually the initialized is set to true. But here it must not. - // Because the prepend and append readers have to be instantiated - // on runtime - //newFilter.setInitialized(true); - return newFilter; - } - - /** - * Scans the parameters list for the "lines" parameter and uses - * it to set the number of lines to be returned in the filtered stream. - * also scan for skip parameter. - */ - private void initialize() throws IOException { - // get parameters - final Parameter[] params = getParameters(); - if (params != null) { - for (int i = 0; i < params.length; i++) { - if ("prepend".equals(params[i].getName())) { - setPrepend(new File(params[i].getValue())); - continue; - } - if ("append".equals(params[i].getName())) { - setAppend(new File(params[i].getValue())); - continue; - } - } - } - if (prepend != null) { - if (!prepend.isAbsolute()) { - prepend = new File(getProject().getBaseDir(), prepend.getPath()); - } - prependReader = new BufferedReader(new FileReader(prepend)); - } - if (append != null) { - if (!append.isAbsolute()) { - append = new File(getProject().getBaseDir(), append.getPath()); - } - appendReader = new BufferedReader(new FileReader(append)); - } - } -} |