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Issue 695: URISource : improved input validation

This commit is contained in:
Jason King 2011-12-20 15:58:14 +00:00
parent 84b5cfc8dc
commit 0d5ccf2af5
1 changed files with 3 additions and 1 deletions
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4
sandbox-providers/tmrk-enterprisecloud/src/main/java/org/jclouds/tmrk/enterprisecloud/functions/URISource.java
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@ -1,9 +1,11 @@
package org.jclouds.tmrk.enterprisecloud.functions; package org.jclouds.tmrk.enterprisecloud.functions;
import com.google.common.base.Function; import com.google.common.base.Function;
import org.jclouds.tmrk.enterprisecloud.domain.vm.CreateVirtualMachine;
import java.net.URI; import java.net.URI;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull; import static com.google.common.base.Preconditions.checkNotNull;
/** /**
@ -27,7 +29,7 @@ public interface URISource {
*/ */
@Override @Override
public URI apply(Object source) { public URI apply(Object source) {
checkNotNull(source,"source"); checkArgument(checkNotNull(source, "source") instanceof URISource, "this function is only valid for URISource instances");
URISource uriSource = URISource.class.cast(source); URISource uriSource = URISource.class.cast(source);
return uriSource.getURI(); return uriSource.getURI();
} }