Examples of javax.media.jai.OperationDescriptor.validateArguments()

Class javax.media.jai.OperationDescriptor

Examples of javax.media.jai.OperationDescriptor.validateArguments()

javax.media.jai.OperationDescriptor.validateArguments()
Returns true if this operation/mode is capable of handling the input source(s) and/or parameter(s) specified in the ParameterBlock, or false otherwise, in which case an explanatory message may be appended to the StringBuffer.
This method is the standard place where input arguments are validated against this operation's specification for the specified mode. It is called by JAI.create() as a part of its validation process. Thus it is strongly recommended that the application programs use the JAI.create() methods to instantiate all the rendered operations.
This method sets all the undefined parameters in the ParameterBlock to their default values, if the default values are specified.
Note that DeferredData parameters will not be recognized as valid unless the parameter is defined to have class DeferredData.class. @param modeName the operation mode name @param args Input arguments, including source(s) and/or parameter(s). @param msg A string that may contain error messages. @throws IllegalArgumentException if modeName is null @since JAI 1.1

  // Validate input arguments. The ParameterBlock is cloned here
  // because OperationDescriptor.validateArguments() may change
  // its content.
        StringBuffer msg = new StringBuffer();
        args = (ParameterBlock)args.clone();
        if (!odesc.validateArguments("rendered", args, msg)) {
            throw new IllegalArgumentException(msg.toString());
        }


  // Merge rendering hints.  Hints passed in take precedence.
        RenderingHints mergedHints;

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  // Validate input arguments. The ParameterBlock is cloned here
  // because OperationDescriptor.validateRenderableArguments()
  // may change its content.
        StringBuffer msg = new StringBuffer();
        args = (ParameterBlock)args.clone();
        if (!odesc.validateArguments("renderable", args, msg)) {
            throw new IllegalArgumentException(msg.toString());
        }


   RemoteRenderableOp op = new RemoteRenderableOp(operationRegistry,
                   protocolName,

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/*  624 */       throw new IllegalArgumentException(JaiI18N.getString("RemoteJAI13"));
/*      */     }
/*      */ 
/*  631 */     StringBuffer msg = new StringBuffer();
/*  632 */     args = (ParameterBlock)args.clone();
/*  633 */     if (!odesc.validateArguments("rendered", args, msg))
/*  634 */       throw new IllegalArgumentException(msg.toString());
/*      */     RenderingHints mergedHints;
/*      */     RenderingHints mergedHints;
/*  639 */     if (hints == null) {
/*  640 */       mergedHints = this.renderingHints;

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/*  759 */       throw new IllegalArgumentException(JaiI18N.getString("RemoteJAI15"));
/*      */     }
/*      */ 
/*  766 */     StringBuffer msg = new StringBuffer();
/*  767 */     args = (ParameterBlock)args.clone();
/*  768 */     if (!odesc.validateArguments("renderable", args, msg)) {
/*  769 */       throw new IllegalArgumentException(msg.toString());
/*      */     }
/*      */ 
/*  772 */     RemoteRenderableOp op = new RemoteRenderableOp(this.operationRegistry, this.protocolName, this.serverName, opName, args);
/*      */

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