[OLINGO-327] make client supports shorter operation name in url (not protocol standard)

ext/client-proxy/src/main/java/org/apache/olingo/ext/proxy/commons/OperationInvocationHandler.java

@@ -161,6 +161,7 @@ final class OperationInvocationHandler extends AbstractInvocationHandler impleme
     if (boundOp == null) {
       boundOp = entity.getOperation(new FullQualifiedName(targetFQN.getNamespace(), operation.name()).toString());
     }
+    boolean useOperationFQN = this.getClient().getConfiguration().isUseUrlOperationFQN();
     if (boundOp == null) {
     	// json minimal/none metadata doesn't return operations for entity, so here try creating it from Edm: 
     	EdmAction action = this.getClient().getEdm(null).getBoundAction(
@@ -170,7 +171,7 @@ final class OperationInvocationHandler extends AbstractInvocationHandler impleme
     		boundOp.setMetadataAnchor(action.getFullQualifiedName().toString());
     		boundOp.setTitle(boundOp.getMetadataAnchor());
     		boundOp.setTarget(URI.create(entity.getEditLink().toString() + "/" 
-                  + action.getFullQualifiedName().toString()));
+                  + (useOperationFQN ? action.getFullQualifiedName().toString() : operation.name())));
     	}
     }
     if (boundOp == null) {
@@ -182,7 +183,7 @@ final class OperationInvocationHandler extends AbstractInvocationHandler impleme
     		boundOp.setMetadataAnchor(func.getFullQualifiedName().toString());
     		boundOp.setTitle(boundOp.getMetadataAnchor());
     		boundOp.setTarget(URI.create(entity.getEditLink().toString() + "/" 
-                  + func.getFullQualifiedName().toString()));
+                  + (useOperationFQN ? func.getFullQualifiedName().toString() : operation.name())));
     	}
     }
     if (boundOp == null) {

lib/client-api/src/main/java/org/apache/olingo/client/api/CommonConfiguration.java

@@ -215,6 +215,29 @@ public interface CommonConfiguration extends Serializable {
    */
   boolean isAddressingDerivedTypes() ;
 
+  /**
+   * Sets whether operation name in request URI should be fully qualified name, which is required by OData V4 protocol,
+   * but some service may still choose to support shorter name.
+   * <br/>
+   * Example: http://host/service/Customers(2)/NS1.Model.IncreaseSalary VS 
+   * http://host/service/Customers(2)/IncreaseSalary
+   *
+   * @param value 'TRUE' to use this feature.
+   */  
+  void setUseUrlOperationFQN(final boolean value);
+  
+  /**
+   * Sets whether operation name in request URI should be fully qualified name, which is required by OData V4 protocol,
+   * but some service may still choose to support shorter name.
+   * <br/>
+   * Example: http://host/service/Customers(2)/NS1.Model.IncreaseSalary VS 
+   * http://host/service/Customers(2)/IncreaseSalary
+   *
+   * @return whether whether operation name in request URI should be fully qualified name.
+   * segment.
+   */
+  boolean isUseUrlOperationFQN() ;
+
   /**
    * Sets whether query URIs in request should contain fully qualified type name.
    * - OData Intermediate Conformance Level:

lib/client-core/src/main/java/org/apache/olingo/client/core/AbstractConfiguration.java

@@ -54,6 +54,8 @@ public abstract class AbstractConfiguration implements CommonConfiguration {
   
   private static final String ADDRESS_DERIVED_TYPE = "addressDerivedType";
 
+  private static final String USE_OPERATION_FQN_IN_URL = "useOperationFqnInUrl";
+
   private static final String GZIP_COMPRESSION = "gzipCompression";
 
   private static final String CHUNKING = "chunking";
@@ -224,6 +226,16 @@ public abstract class AbstractConfiguration implements CommonConfiguration {
     setProperty(ADDRESS_DERIVED_TYPE, value);
   }
   
+  @Override
+  public boolean isUseUrlOperationFQN() {
+    return (Boolean) getProperty(USE_OPERATION_FQN_IN_URL, true);
+  }
+
+  @Override
+  public void setUseUrlOperationFQN(final boolean value) {
+    setProperty(USE_OPERATION_FQN_IN_URL, value);
+  }
+  
   @Override
   public ExecutorService getExecutor() {
     return executor;