cziegeler 01/11/21 05:36:14
Modified: src/org/apache/cocoon/components/store MRUMemoryStore.java
Log:
Implemented keys() method
Revision Changes Path
1.24 +57 -3
xml-cocoon2/src/org/apache/cocoon/components/store/MRUMemoryStore.java
Index: MRUMemoryStore.java
===================================================================
RCS file:
/home/cvs/xml-cocoon2/src/org/apache/cocoon/components/store/MRUMemoryStore.java,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -r1.23 -r1.24
--- MRUMemoryStore.java 2001/11/21 10:45:40 1.23
+++ MRUMemoryStore.java 2001/11/21 13:36:14 1.24
@@ -25,6 +25,8 @@
import org.apache.cocoon.Constants;
import org.apache.cocoon.util.ClassUtils;
import org.apache.cocoon.util.IOUtils;
+import org.apache.regexp.RE;
+import org.apache.regexp.RESyntaxException;
import java.io.File;
import java.io.IOException;
@@ -195,7 +197,6 @@
*/
public Object get(Object key) {
this.getLogger().debug("Getting object from memory. Key: " + key);
-
Object tmpobject = this.cache.get(key);
if ( tmpobject != null ) {
/** put the accessed key on top of the linked list */
@@ -266,8 +267,7 @@
* @return the enumeration of the cache
*/
public Enumeration keys() {
- /* Not yet implemented */
- return null;
+ return new StoreEnumeration(this.cache.keys(),
this.fsstore.keys(),this.cachedirstr);
}
/**
@@ -326,4 +326,58 @@
.append(URLEncoder.encode(key.toString()))
.toString();
}
+
+ final class StoreEnumeration implements Enumeration {
+
+ private String[] array;
+ private int index;
+ private int length;
+
+ StoreEnumeration(Enumeration cache, Enumeration fs, String cachedir) {
+ this.array = new String[16];
+ this.length = 0;
+ this.index = 0;
+
+ while (cache.hasMoreElements() == true) {
+ this.add(cache.nextElement().toString());
+ }
+ RE re = null;
+
+ try {
+ re = new RE("^" + cachedir);
+ } catch(RESyntaxException ree) {
+ ree.printStackTrace();
+ }
+
+ while (fs.hasMoreElements() == true) {
+ final String key = fs.nextElement().toString();
+ if (re.match(cachedir) == true) {
+ this.add(key);
+ }
+ }
+ }
+
+ public void add(String key) {
+ if (this.length == array.length) {
+ String[] newarray = new String[this.length + 16];
+ System.arraycopy(this.array, 0, newarray, 0, this.array.length);
+ this.array = newarray;
+ }
+ this.array[this.length] = key;
+ this.length++;
+ }
+
+ public boolean hasMoreElements() {
+ return (this.index < this.length);
+ }
+
+ public Object nextElement() {
+ if (this.hasMoreElements() == true) {
+ this.index++;
+ return this.array[index-1];
+ }
+ return null;
+ }
+
+ }
}
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