1 files changed, 154 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/StripLineBreaks.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/StripLineBreaks.java
new file mode 100644
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--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/filters/StripLineBreaks.java
@@ -0,0 +1,154 @@
+/*
+ *  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 org.apache.tools.ant.types.Parameter;
+
+/**
+ * Filter to flatten the stream to a single line.
+ *
+ * Example:
+ *
+ * <pre>&lt;striplinebreaks/&gt;</pre>
+ *
+ * Or:
+ *
+ * <pre>&lt;filterreader
+ *   classname=&quot;org.apache.tools.ant.filters.StripLineBreaks&quot;/&gt;</pre>
+ *
+ */
+public final class StripLineBreaks
+    extends BaseParamFilterReader
+    implements ChainableReader {
+    /**
+     * Line-breaking characters.
+     * What should we do on funny IBM mainframes with odd line endings?
+     */
+    private static final String DEFAULT_LINE_BREAKS = "\r\n";
+
+    /** Parameter name for the line-breaking characters parameter. */
+    private static final String LINE_BREAKS_KEY = "linebreaks";
+
+    /** The characters that are recognized as line breaks. */
+    private String lineBreaks = DEFAULT_LINE_BREAKS;
+
+    /**
+     * Constructor for "dummy" instances.
+     *
+     * @see BaseFilterReader#BaseFilterReader()
+     */
+    public StripLineBreaks() {
+        super();
+    }
+
+    /**
+     * Creates a new filtered reader.
+     *
+     * @param in A Reader object providing the underlying stream.
+     *           Must not be <code>null</code>.
+     */
+    public StripLineBreaks(final Reader in) {
+        super(in);
+    }
+
+    /**
+     * Returns the next character in the filtered stream, only including
+     * characters not in the set of line-breaking characters.
+     *
+     * @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 (!getInitialized()) {
+            initialize();
+            setInitialized(true);
+        }
+
+        int ch = in.read();
+        while (ch != -1) {
+            if (lineBreaks.indexOf(ch) == -1) {
+                break;
+            } else {
+                ch = in.read();
+            }
+        }
+        return ch;
+    }
+
+    /**
+     * Sets the line-breaking characters.
+     *
+     * @param lineBreaks A String containing all the characters to be
+     *                   considered as line-breaking.
+     */
+    public void setLineBreaks(final String lineBreaks) {
+        this.lineBreaks = lineBreaks;
+    }
+
+    /**
+     * Returns the line-breaking characters as a String.
+     *
+     * @return a String containing all the characters considered as
+     *         line-breaking
+     */
+    private String getLineBreaks() {
+        return lineBreaks;
+    }
+
+    /**
+     * Creates a new StripLineBreaks 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) {
+        StripLineBreaks newFilter = new StripLineBreaks(rdr);
+        newFilter.setLineBreaks(getLineBreaks());
+        newFilter.setInitialized(true);
+        return newFilter;
+    }
+
+    /**
+     * Parses the parameters to set the line-breaking characters.
+     */
+    private void initialize() {
+        String userDefinedLineBreaks = null;
+        Parameter[] params = getParameters();
+        if (params != null) {
+            for (int i = 0; i < params.length; i++) {
+                if (LINE_BREAKS_KEY.equals(params[i].getName())) {
+                    userDefinedLineBreaks = params[i].getValue();
+                    break;
+                }
+            }
+        }
+        if (userDefinedLineBreaks != null) {
+            lineBreaks = userDefinedLineBreaks;
+        }
+    }
+}