Initial revision

From-SVN: r104578

1 files changed, 208 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/xml/stream/XMLEventImpl.java b/libjava/classpath/gnu/xml/stream/XMLEventImpl.java
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+++ b/libjava/classpath/gnu/xml/stream/XMLEventImpl.java
@@ -0,0 +1,208 @@
+/* XMLEventImpl.java -- 
+   Copyright (C) 2005  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.xml.stream;
+
+import java.io.Writer;
+import javax.xml.namespace.QName;
+import javax.xml.stream.Location;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.events.Characters;
+import javax.xml.stream.events.EndElement;
+import javax.xml.stream.events.StartElement;
+import javax.xml.stream.events.XMLEvent;
+
+/**
+ * An XML stream event.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+public abstract class XMLEventImpl
+  implements XMLEvent
+{
+
+  protected final Location location;
+
+  protected XMLEventImpl(Location location)
+  {
+    this.location = location;
+  }
+
+  public abstract int getEventType();
+
+  public Location getLocation()
+  {
+    return location;
+  }
+
+  public boolean isStartElement()
+  {
+    return getEventType() == START_ELEMENT;
+  }
+
+  public boolean isAttribute()
+  {
+    return getEventType() == ATTRIBUTE;
+  }
+
+  public boolean isNamespace()
+  {
+    return getEventType() == NAMESPACE;
+  }
+
+  public boolean isEndElement()
+  {
+    return getEventType() == END_ELEMENT;
+  }
+
+  public boolean isEntityReference()
+  {
+    return getEventType() == ENTITY_REFERENCE;
+  }
+
+  public boolean isProcessingInstruction()
+  {
+    return getEventType() == PROCESSING_INSTRUCTION;
+  }
+
+  public boolean isCharacters()
+  {
+    int et = getEventType();
+    return et == CHARACTERS || et == CDATA;
+  }
+
+  public boolean isStartDocument()
+  {
+    return getEventType() == START_DOCUMENT;
+  }
+
+  public boolean isEndDocument()
+  {
+    return getEventType() == END_DOCUMENT;
+  }
+
+  public boolean isStartEntity()
+  {
+    return getEventType() == START_ENTITY;
+  }
+
+  public boolean isEndEntity()
+  {
+    return getEventType() == END_ENTITY;
+  }
+
+  public StartElement asStartElement()
+  {
+    return (StartElement) this;
+  }
+
+  public EndElement asEndElement()
+  {
+    return (EndElement) this;
+  }
+
+  public Characters asCharacters()
+  {
+    return (Characters) this;
+  }
+
+  public QName getSchemaType()
+  {
+    return null;
+  }
+  
+  public abstract void writeAsEncodedUnicode(Writer writer)
+    throws XMLStreamException;
+
+  protected String encode(String text, boolean inAttr)
+  {
+    int len = text.length();
+    StringBuffer buf = null;
+    for (int i = 0; i < len; i++)
+      {
+        char c = text.charAt(i);
+        if (c == '<')
+          {
+            if (buf == null)
+              {
+                buf = new StringBuffer(text.substring(0, i));
+              }
+            buf.append("&lt;");
+          }
+        else if (c == '>')
+          {
+            if (buf == null)
+              {
+                buf = new StringBuffer(text.substring(0, i));
+              }
+            buf.append("&gt;");
+          }
+        else if (c == '&')
+          {
+            if (buf == null)
+              {
+                buf = new StringBuffer(text.substring(0, i));
+              }
+            buf.append("&amp;");
+          }
+        else if (c == '\'' && inAttr)
+          {
+            if (buf == null)
+              {
+                buf = new StringBuffer(text.substring(0, i));
+              }
+            buf.append("&apos;");
+          }
+        else if (c == '"' && inAttr)
+          {
+            if (buf == null)
+              {
+                buf = new StringBuffer(text.substring(0, i));
+              }
+            buf.append("&quot;");
+          }
+        else if (buf != null)
+          {
+            buf.append(c);
+          }
+      }
+    return (buf == null) ? text : buf.toString(); 
+  }
+
+}
+