bodewig 2005/03/14 12:08:32
Modified: src/main/org/apache/tools/ant/util DOMElementWriter.java
Log:
Small refactoring to allow a less memory consuming "streaming mode"
Revision Changes Path
1.27 +55 -21
ant/src/main/org/apache/tools/ant/util/DOMElementWriter.java
Index: DOMElementWriter.java
===================================================================
RCS file:
/home/cvs/ant/src/main/org/apache/tools/ant/util/DOMElementWriter.java,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -r1.26 -r1.27
--- DOMElementWriter.java 24 Jan 2005 18:13:20 -0000 1.26
+++ DOMElementWriter.java 14 Mar 2005 20:08:32 -0000 1.27
@@ -69,33 +69,15 @@
* @param element the Root DOM element of the tree
* @param out where to send the output
* @param indent number of
- * @param indentWith string that should be used to indent the
corresponding tag.
+ * @param indentWith string that should be used to indent the
+ * corresponding tag.
* @throws IOException if an error happens while writing to the stream.
*/
public void write(Element element, Writer out, int indent,
String indentWith)
throws IOException {
- // Write indent characters
- for (int i = 0; i < indent; i++) {
- out.write(indentWith);
- }
-
- // Write element
- out.write("<");
- out.write(element.getTagName());
-
- // Write attributes
- NamedNodeMap attrs = element.getAttributes();
- for (int i = 0; i < attrs.getLength(); i++) {
- Attr attr = (Attr) attrs.item(i);
- out.write(" ");
- out.write(attr.getName());
- out.write("=\"");
- out.write(encode(attr.getValue()));
- out.write("\"");
- }
- out.write(">");
+ openElement(element, out, indent, indentWith);
// Write child elements and text
boolean hasChildren = false;
@@ -150,6 +132,58 @@
}
}
+ closeElement(element, out, indent, indentWith, hasChildren);
+ }
+
+ /**
+ * Writes the opening tag - including all attributes -
+ * correspondong to a DOM element.
+ *
+ * @param element the DOM element to write
+ * @param out where to send the output
+ * @param indent number of
+ * @param indentWith string that should be used to indent the
+ * corresponding tag.
+ * @throws IOException if an error happens while writing to the stream.
+ */
+ public void openElement(Element element, Writer out, int indent,
+ String indentWith)
+ throws IOException {
+ // Write indent characters
+ for (int i = 0; i < indent; i++) {
+ out.write(indentWith);
+ }
+
+ // Write element
+ out.write("<");
+ out.write(element.getTagName());
+
+ // Write attributes
+ NamedNodeMap attrs = element.getAttributes();
+ for (int i = 0; i < attrs.getLength(); i++) {
+ Attr attr = (Attr) attrs.item(i);
+ out.write(" ");
+ out.write(attr.getName());
+ out.write("=\"");
+ out.write(encode(attr.getValue()));
+ out.write("\"");
+ }
+ out.write(">");
+ }
+
+ /**
+ * Writes a DOM tree to a stream.
+ *
+ * @param element the Root DOM element of the tree
+ * @param out where to send the output
+ * @param indent number of
+ * @param indentWith string that should be used to indent the
+ * corresponding tag.
+ * @throws IOException if an error happens while writing to the stream.
+ */
+ public void closeElement(Element element, Writer out, int indent,
+ String indentWith, boolean hasChildren)
+ throws IOException {
// If we had child elements, we need to indent before we close
// the element, otherwise we're on the same line and don't need
// to indent
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