jericho 2003/01/29 08:03:33
Modified: httpclient/src/java/org/apache/commons/httpclient URI.java
Log:
- Add the hash code functionality.
Suggested by Joseph Artsimovich <[EMAIL PROTECTED]>
Thanks to you!
Revision Changes Path
1.27 +41 -6
jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/URI.java
Index: URI.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/URI.java,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -r1.26 -r1.27
--- URI.java 28 Jan 2003 22:25:22 -0000 1.26
+++ URI.java 29 Jan 2003 16:03:33 -0000 1.27
@@ -526,6 +526,12 @@
/**
+ * Cache the hash code for this URI.
+ */
+ protected int hash = 0;
+
+
+ /**
* This Uniform Resource Identifier (URI).
* The URI is always in an "escaped" form, since escaping or unescaping
* a completed URI might change its semantics.
@@ -2216,6 +2222,7 @@
}
// ignore the fragment identifier
_uri = buf.toString().toCharArray();
+ hash = 0;
}
// ----------------------------------------------------------- Test methods
@@ -3165,13 +3172,14 @@
public void setRawFragment(char[] escapedFragment) throws URIException {
if (escapedFragment == null || escapedFragment.length == 0) {
_fragment = escapedFragment;
+ hash = 0;
return;
}
if (!validate(escapedFragment, fragment))
throw new URIException(URIException.ESCAPING,
"escaped fragment not valid");
_fragment = escapedFragment;
- setURI();
+ hash = 0;
}
@@ -3184,6 +3192,7 @@
public void setEscapedFragment(String escapedFragment) throws URIException {
if (escapedFragment == null) {
_fragment = null;
+ hash = 0;
return;
}
setRawFragment(escapedFragment.toCharArray());
@@ -3199,10 +3208,11 @@
public void setFragment(String fragment) throws URIException {
if (fragment == null || fragment.length() == 0) {
_fragment = (fragment == null) ? null : fragment.toCharArray();
+ hash = 0;
return;
}
_fragment = encode(fragment, allowed_fragment);
- setURI();
+ hash = 0;
}
@@ -3436,6 +3446,31 @@
throws ClassNotFoundException, IOException {
ois.defaultReadObject();
+ }
+
+ // -------------------------------------------------------------- Hash code
+
+ /**
+ * Return a hash code for this URI.
+ *
+ * @return a has code value for this URI
+ */
+ public int hashCode() {
+ if (hash == 0) {
+ char[] c = _uri;
+ if (c != null) {
+ for (int i = 0, len = c.length; i < len; i++) {
+ hash = 31 * hash + c[i];
+ }
+ }
+ c = _fragment;
+ if (c != null) {
+ for (int i = 0, len = c.length; i < len; i++) {
+ hash = 31 * hash + c[i];
+ }
+ }
+ }
+ return hash;
}
// ------------------------------------------------------------- Comparison
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