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Simplified RecipientListChannelResolver. It now requires a List of MessageChannel instances rather than also allowing channel names.

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This commit is contained in:
Mark Fisher
2008-09-29 20:01:26 +00:00
parent a7dcd5f31f
commit 0c35a1781e
2 changed files with 28 additions and 77 deletions
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30
org.springframework.integration/src/main/java/org/springframework/integration/router/RecipientListChannelResolver.java
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@@ -16,21 +16,20 @@
package org.springframework.integration.router;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.integration.ConfigurationException;
import org.springframework.integration.channel.MessageChannel;
import org.springframework.integration.message.Message;
import org.springframework.util.Assert;
/**
* A {@link ChannelResolver} implementation that routes to a statically
* configured list of recipients. The recipients are provided either as a list
* of {@link MessageChannel} instances or as a String array of channel names.
* For dynamic recipient lists, either implement {@link ChannelResolver} or
* extend the {@link AbstractMultiChannelNameResolver} base class.
* configured list of recipients. The recipients are provided as a list of
* {@link MessageChannel} instances. For dynamic recipient lists, consider
* either implementing the {@link ChannelResolver} interface directly or
* extending the {@link AbstractMultiChannelNameResolver} base class.
*
* @author Mark Fisher
*/
@@ -38,33 +37,18 @@ public class RecipientListChannelResolver extends AbstractChannelResolver implem
private volatile List<MessageChannel> channels;
private volatile String[] channelNames;
public void setChannels(List<MessageChannel> channels) {
Assert.notEmpty(channels, "a non-empty channel list is required");
this.channels = channels;
}
public void setChannelNames(String[] channelNames) {
this.channelNames = channelNames;
}
public void afterPropertiesSet() {
if ((this.channels != null && this.channelNames != null)
|| (this.channels == null && this.channelNames == null)) {
throw new ConfigurationException("either 'channels' or 'channelNames' should be provided, but not both");
}
Assert.notEmpty(this.channels, "a non-empty channel list is required");
}
@Override
public Collection<MessageChannel> resolveChannels(Message<?> message) {
if (this.channels == null && this.channelNames != null) {
List<MessageChannel> resolved = new ArrayList<MessageChannel>();
for (String channelName : channelNames) {
resolved.add(this.lookupChannel(channelName, true));
}
return resolved;
}
return this.channels;
}