From 8f523f3a1047919d3563daf1ef47ba87336ebe89 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@gcc.gnu.org>
Date: Tue, 15 Nov 2005 23:20:01 +0000
Subject: Imported GNU Classpath 0.19 + gcj-import-20051115.
* sources.am: Regenerated.
* Makefile.in: Likewise.
* scripts/makemake.tcl: Use glob -nocomplain.
From-SVN: r107049
---
.../gnu/xml/stream/XMLStreamWriterImpl.java | 81 ++++++++++++++++++++--
1 file changed, 77 insertions(+), 4 deletions(-)
(limited to 'libjava/classpath/gnu/xml/stream/XMLStreamWriterImpl.java')
diff --git a/libjava/classpath/gnu/xml/stream/XMLStreamWriterImpl.java b/libjava/classpath/gnu/xml/stream/XMLStreamWriterImpl.java
index 9ac0abe..d677048 100644
--- a/libjava/classpath/gnu/xml/stream/XMLStreamWriterImpl.java
+++ b/libjava/classpath/gnu/xml/stream/XMLStreamWriterImpl.java
@@ -39,7 +39,10 @@ package gnu.xml.stream;
import java.io.IOException;
import java.io.Writer;
+import java.util.Enumeration;
+import java.util.HashSet;
import java.util.LinkedList;
+import java.util.Set;
import javax.xml.XMLConstants;
import javax.xml.namespace.NamespaceContext;
@@ -57,16 +60,56 @@ public class XMLStreamWriterImpl
implements XMLStreamWriter
{
+ /**
+ * The underlying character stream to write to.
+ */
protected final Writer writer;
+
+ /**
+ * The encoding being used.
+ * Note that this must match the encoding of the character stream.
+ */
protected final String encoding;
+
+ /**
+ * Whether prefix defaulting is being used.
+ * If true and a prefix has not been defined for a namespace specified on
+ * an element or an attribute, a new prefix and namespace declaration will
+ * be created.
+ */
protected final boolean prefixDefaulting;
+
+ /**
+ * The namespace context used to determine the namespace-prefix mappings
+ * in scope.
+ */
protected NamespaceContext namespaceContext;
+ /**
+ * The stack of elements in scope.
+ * Used to close the remaining elements.
+ */
private LinkedList elements;
+
+ /**
+ * Whether a start element has been opened but not yet closed.
+ */
private boolean inStartElement;
+
+ /**
+ * Whether we are in an empty element.
+ */
private boolean emptyElement;
+
private NamespaceSupport namespaces;
-
+ private int count = 0;
+
+ /**
+ * Constructor.
+ * @see #writer
+ * @see #encoding
+ * @see #prefixDefaulting
+ */
protected XMLStreamWriterImpl(Writer writer, String encoding,
boolean prefixDefaulting)
{
@@ -77,6 +120,10 @@ public class XMLStreamWriterImpl
namespaces = new NamespaceSupport();
}
+ /**
+ * Write the end of a start-element event.
+ * This will close the element if it was defined to be an empty element.
+ */
private void endStartElement()
throws IOException
{
@@ -128,7 +175,7 @@ public class XMLStreamWriterImpl
if (!isDeclared)
{
if (prefixDefaulting)
- prefix = XMLConstants.DEFAULT_NS_PREFIX;
+ prefix = createPrefix(namespaceURI);
else
throw new XMLStreamException("namespace " + namespaceURI +
" has not been declared");
@@ -140,13 +187,13 @@ public class XMLStreamWriterImpl
writer.write(':');
}
writer.write(localName);
- if (prefixDefaulting && !isDeclared)
+ inStartElement = true;
+ if (!isDeclared)
{
writeNamespace(prefix, namespaceURI);
}
elements.addLast(new String[] { prefix, localName });
- inStartElement = true;
}
catch (IOException e)
{
@@ -156,6 +203,26 @@ public class XMLStreamWriterImpl
}
}
+ /**
+ * Creates a new unique prefix in the document.
+ * Subclasses may override this method to provide a suitably unique prefix
+ * for the given namespace.
+ * @param namespaceURI the namespace URI
+ */
+ protected String createPrefix(String namespaceURI)
+ {
+ Set prefixes = new HashSet();
+ for (Enumeration e = namespaces.getPrefixes(); e.hasMoreElements(); )
+ prefixes.add(e.nextElement());
+ String ret;
+ do
+ {
+ ret = "ns" + (count++);
+ }
+ while (prefixes.contains(ret));
+ return ret;
+ }
+
public void writeStartElement(String prefix, String localName,
String namespaceURI)
throws XMLStreamException
@@ -656,6 +723,12 @@ public class XMLStreamWriterImpl
throw new IllegalArgumentException(name);
}
+ /**
+ * Write the specified text, ensuring that the content is suitably encoded
+ * for XML.
+ * @param text the text to write
+ * @param inAttr whether we are in an attribute value
+ */
private void writeEncoded(String text, boolean inAttr)
throws IOException
{
--
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