--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NGSrich_0.5.5/src/org/jdom/Text.java	Mon Nov 21 08:12:19 2011 -0500
@@ -0,0 +1,271 @@
+/*--
+
+ $Id: Text.java,v 1.25 2007/11/10 05:28:59 jhunter Exp $
+
+ Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions, and the disclaimer that follows
+    these conditions in the documentation and/or other materials
+    provided with the distribution.
+
+ 3. The name "JDOM" must not be used to endorse or promote products
+    derived from this software without prior written permission.  For
+    written permission, please contact <request_AT_jdom_DOT_org>.
+
+ 4. Products derived from this software may not be called "JDOM", nor
+    may "JDOM" appear in their name, without prior written permission
+    from the JDOM Project Management <request_AT_jdom_DOT_org>.
+
+ In addition, we request (but do not require) that you include in the
+ end-user documentation provided with the redistribution and/or in the
+ software itself an acknowledgement equivalent to the following:
+     "This product includes software developed by the
+      JDOM Project (http://www.jdom.org/)."
+ Alternatively, the acknowledgment may be graphical using the logos
+ available at http://www.jdom.org/images/logos.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED.  IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
+
+ This software consists of voluntary contributions made by many
+ individuals on behalf of the JDOM Project and was originally
+ created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
+ Brett McLaughlin <brett_AT_jdom_DOT_org>.  For more information
+ on the JDOM Project, please see <http://www.jdom.org/>.
+
+ */
+
+package org.jdom;
+
+/**
+ * Character-based XML content. Provides a modular, parentable method of
+ * representing text. Text makes no guarantees about the underlying textual
+ * representation of character data, but does expose that data as a Java String.
+ *
+ * @version $Revision: 1.25 $, $Date: 2007/11/10 05:28:59 $
+ * @author  Brett McLaughlin
+ * @author  Jason Hunter
+ * @author  Bradley S. Huffman
+ */
+public class Text extends Content {
+
+    private static final String CVS_ID =
+      "@(#) $RCSfile: Text.java,v $ $Revision: 1.25 $ $Date: 2007/11/10 05:28:59 $ $Name: jdom_1_1_1 $";
+
+    static final String EMPTY_STRING = "";
+
+    /** The actual character content */
+    // XXX See http://www.servlets.com/archive/servlet/ReadMsg?msgId=8612
+    // from elharo for a description of why Java characters may not suffice
+    // long term
+    protected String value;
+
+    /**
+     * This is the protected, no-args constructor standard in all JDOM
+     * classes. It allows subclassers to get a raw instance with no
+     * initialization.
+     */
+    protected Text() { }
+
+    /**
+     * This constructor creates a new <code>Text</code> node, with the
+     * supplied string value as it's character content.
+     *
+     * @param str the node's character content.
+     * @throws IllegalDataException if <code>str</code> contains an
+     *         illegal character such as a vertical tab (as determined
+     *         by {@link org.jdom.Verifier#checkCharacterData})
+     */
+    public Text(String str) {
+        setText(str);
+    }
+
+    /**
+     * This returns the value of this <code>Text</code> node as a Java
+     * <code>String</code>.
+     *
+     * @return <code>String</code> - character content of this node.
+     */
+    public String getText() {
+        return value;
+    }
+
+    /**
+     * This returns the textual content with all surrounding whitespace
+     * removed.  If only whitespace exists, the empty string is returned.
+     *
+     * @return trimmed text content or empty string
+     */
+    public String getTextTrim() {
+        return getText().trim();
+    }
+
+    /**
+     * This returns the textual content with all surrounding whitespace
+     * removed and internal whitespace normalized to a single space.  If
+     * only whitespace exists, the empty string is returned.
+     *
+     * @return normalized text content or empty string
+     */
+    public String getTextNormalize() {
+        return normalizeString(getText());
+    }
+
+    /**
+     * This returns a new string with all surrounding whitespace
+     * removed and internal whitespace normalized to a single space.  If
+     * only whitespace exists, the empty string is returned.
+     * <p>
+     * Per XML 1.0 Production 3 whitespace includes: #x20, #x9, #xD, #xA
+     * </p>
+     *
+     * @param str string to be normalized.
+     * @return normalized string or empty string
+     */
+    public static String normalizeString(String str) {
+        if (str == null)
+            return EMPTY_STRING;
+
+        char[] c = str.toCharArray();
+        char[] n = new char[c.length];
+        boolean white = true;
+        int pos = 0;
+        for (int i = 0; i < c.length; i++) {
+            if (" \t\n\r".indexOf(c[i]) != -1) {
+                if (!white) {
+                    n[pos++] = ' ';
+                    white = true;
+                }
+            }
+            else {
+                n[pos++] = c[i];
+                white = false;
+            }
+        }
+        if (white && pos > 0) {
+            pos--;
+        }
+        return new String(n, 0, pos);
+    }
+
+    /**
+     * This will set the value of this <code>Text</code> node.
+     *
+     * @param str value for node's content.
+     * @return the object on which the method was invoked
+     * @throws IllegalDataException if <code>str</code> contains an
+     *         illegal character such as a vertical tab (as determined
+     *         by {@link org.jdom.Verifier#checkCharacterData})
+     */
+    public Text setText(String str) {
+        String reason;
+
+        if (str == null) {
+            value = EMPTY_STRING;
+            return this;
+        }
+
+        if ((reason = Verifier.checkCharacterData(str)) != null) {
+            throw new IllegalDataException(str, "character content", reason);
+        }
+        value = str;
+        return this;
+    }
+
+    /**
+     * This will append character content to whatever content already
+     * exists within this <code>Text</code> node.
+     *
+     * @param str character content to append.
+     * @throws IllegalDataException if <code>str</code> contains an
+     *         illegal character such as a vertical tab (as determined
+     *         by {@link org.jdom.Verifier#checkCharacterData})
+     */
+    public void append(String str) {
+        String reason;
+
+        if (str == null) {
+            return;
+        }
+        if ((reason = Verifier.checkCharacterData(str)) != null) {
+            throw new IllegalDataException(str, "character content", reason);
+        }
+
+        if (str == EMPTY_STRING)
+             value = str;
+        else value += str;
+    }
+
+    /**
+     * This will append the content of another <code>Text</code> node
+     * to this node.
+     *
+     * @param text Text node to append.
+     */
+    public void append(Text text) {
+        if (text == null) {
+            return;
+        }
+        value += text.getText();
+    }
+
+    /**
+     * Returns the XPath 1.0 string value of this element, which is the
+     * text itself.
+     *
+     * @return the text
+     */
+    public String getValue() {
+        return value;
+    }
+
+    /**
+     * This returns a <code>String</code> representation of the
+     * <code>Text</code> node, suitable for debugging. If the XML
+     * representation of the <code>Text</code> node is desired,
+     * either <code>{@link #getText}</code> or
+     * {@link org.jdom.output.XMLOutputter#outputString(Text)}</code>
+     * should be used.
+     *
+     * @return <code>String</code> - information about this node.
+     */
+    public String toString() {
+        return new StringBuffer(64)
+            .append("[Text: ")
+            .append(getText())
+            .append("]")
+            .toString();
+    }
+
+    /**
+     * This will return a clone of this <code>Text</code> node, with the
+     * same character content, but no parent.
+     *
+     * @return <code>Text</code> - cloned node.
+     */
+    public Object clone() {
+        Text text = (Text)super.clone();
+        text.value = value;
+        return text;
+    }
+
+}