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Code Issues Releases Wiki Activity

Unify AndFilter and OrFilter

Browse source 
AndFilter and OrFilter are dual; there is no reason why they should have
differing interfaces.
This commit is contained in:
Lars Noschinski 2014-03-05 08:00:01 +01:00 committed by Florian Schmaus
parent 9ac882241a
commit e654eac9d5
3 changed files with 32 additions and 42 deletions
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13
core/src/main/java/org/jivesoftware/smack/filter/AndFilter.java
View file

@ -17,10 +17,11 @@
package org.jivesoftware.smack.filter;
import org.jivesoftware.smack.packet.Packet;
import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jivesoftware.smack.packet.Packet;
/**
* Implements the logical AND operation over two or more packet filters.
@ -33,14 +34,14 @@ public class AndFilter implements PacketFilter {
/**
* The list of filters.
*/
private List<PacketFilter> filters = new ArrayList<PacketFilter>();
private final List<PacketFilter> filters;
/**
* Creates an empty AND filter. Filters should be added using the
* {@link #addFilter(PacketFilter)} method.
*/
public AndFilter() {
filters = new ArrayList<PacketFilter>();
}
/**
@ -56,8 +57,8 @@ public class AndFilter implements PacketFilter {
if(filter == null) {
throw new IllegalArgumentException("Parameter cannot be null.");
}
this.filters.add(filter);
}
this.filters = new ArrayList<PacketFilter>(Arrays.asList(filters));
}
/**

51
core/src/main/java/org/jivesoftware/smack/filter/OrFilter.java
View file

@ -17,6 +17,10 @@
package org.jivesoftware.smack.filter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jivesoftware.smack.packet.Packet;
/**
@ -27,39 +31,34 @@ import org.jivesoftware.smack.packet.Packet;
*/
public class OrFilter implements PacketFilter {
/**
* The current number of elements in the filter.
*/
private int size;
/**
* The list of filters.
*/
private PacketFilter [] filters;
private final List<PacketFilter> filters;
/**
* Creates an empty OR filter. Filters should be added using the
* {@link #addFilter(PacketFilter)} method.
*/
public OrFilter() {
size = 0;
filters = new PacketFilter[3];
filters = new ArrayList<PacketFilter>();
}
/**
* Creates an OR filter using the two specified filters.
* Creates an OR filter using the specified filters.
*
* @param filter1 the first packet filter.
* @param filter2 the second packet filter.
* @param filters the filters to add.
*/
public OrFilter(PacketFilter filter1, PacketFilter filter2) {
if (filter1 == null || filter2 == null) {
throw new IllegalArgumentException("Parameters cannot be null.");
public OrFilter(PacketFilter... filters) {
if (filters == null) {
throw new IllegalArgumentException("Parameter cannot be null.");
}
size = 2;
filters = new PacketFilter[2];
filters[0] = filter1;
filters[1] = filter2;
for(PacketFilter filter : filters) {
if(filter == null) {
throw new IllegalArgumentException("Parameter cannot be null.");
}
}
this.filters = new ArrayList<PacketFilter>(Arrays.asList(filters));
}
/**
@ -72,22 +71,12 @@ public class OrFilter implements PacketFilter {
if (filter == null) {
throw new IllegalArgumentException("Parameter cannot be null.");
}
// If there is no more room left in the filters array, expand it.
if (size == filters.length) {
PacketFilter [] newFilters = new PacketFilter[filters.length+2];
for (int i=0; i<filters.length; i++) {
newFilters[i] = filters[i];
}
filters = newFilters;
}
// Add the new filter to the array.
filters[size] = filter;
size++;
filters.add(filter);
}
public boolean accept(Packet packet) {
for (int i=0; i<size; i++) {
if (filters[i].accept(packet)) {
for (PacketFilter filter : filters) {
if (filter.accept(packet)) {
return true;
}
}

10
legacy/src/main/java/org/jivesoftware/smackx/workgroup/agent/AgentSession.java
View file

@ -107,11 +107,11 @@ public class AgentSession {
queueUsersListeners = new ArrayList<QueueUsersListener>();
// Create a filter to listen for packets we're interested in.
OrFilter filter = new OrFilter();
filter.addFilter(new PacketTypeFilter(OfferRequestProvider.OfferRequestPacket.class));
filter.addFilter(new PacketTypeFilter(OfferRevokeProvider.OfferRevokePacket.class));
filter.addFilter(new PacketTypeFilter(Presence.class));
filter.addFilter(new PacketTypeFilter(Message.class));
OrFilter filter = new OrFilter(
new PacketTypeFilter(OfferRequestProvider.OfferRequestPacket.class),
new PacketTypeFilter(OfferRevokeProvider.OfferRevokePacket.class),
new PacketTypeFilter(Presence.class),
new PacketTypeFilter(Message.class));
packetListener = new PacketListener() {
public void processPacket(Packet packet) {