Class VelocimacroFactory


  • public class VelocimacroFactory
    extends java.lang.Object
    VelocimacroFactory.java manages the set of VMs in a running Velocity engine.
    Version:
    $Id: VelocimacroFactory.java 894953 2009-12-31 22:48:19Z nbubna $
    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      private static class  VelocimacroFactory.Twonk
      small container class to hold the tuple of a template and modification time.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private boolean addNewAllowed
      controls if new VMs can be added.
      private boolean autoReloadLibrary
      determines if the libraries are auto-loaded when they change
      private java.util.Map libModMap
      map of the library Template objects used for reload determination
      private LogDisplayWrapper log
      the log for this instance
      private java.util.List macroLibVec
      vector of the library names
      private boolean replaceAllowed
      determines if replacement of global VMs are allowed controlled by VM_PERM_ALLOW_INLINE_REPLACE_GLOBAL
      private RuntimeServices rsvc
      runtime services for this instance
      private boolean templateLocal
      sets if template-local namespace in used
      private VelocimacroManager vmManager
      VMManager : deal with namespace management and actually keeps all the VM definitions
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean addVelocimacro​(java.lang.String name, java.lang.String macroBody, java.lang.String[] argArray, java.lang.String sourceTemplate)
      Adds a macro to the factory.
      boolean addVelocimacro​(java.lang.String name, Node macroBody, java.lang.String[] argArray, java.lang.String sourceTemplate)
      Adds a macro to the factory.
      private boolean canAddVelocimacro​(java.lang.String name, java.lang.String sourceTemplate)
      determines if a given macro/namespace (name, source) combo is allowed to be added
      boolean dumpVMNamespace​(java.lang.String namespace)
      tells the vmManager to dump the specified namespace
      private boolean getAutoload()
      get the switch for automatic reloading of global library-based VMs
      private boolean getTemplateLocalInline()  
      Directive getVelocimacro​(java.lang.String vmName, java.lang.String sourceTemplate)
      actual factory : creates a Directive that will behave correctly wrt getting the framework to dig out the correct # of args
      Directive getVelocimacro​(java.lang.String vmName, java.lang.String sourceTemplate, java.lang.String renderingTemplate)  
      void initVelocimacro()
      initialize the factory - setup all permissions load all global libraries.
      boolean isVelocimacro​(java.lang.String vm, java.lang.String sourceTemplate)
      Tells the world if a given directive string is a Velocimacro
      private boolean setAddMacroPermission​(boolean addNewAllowed)
      sets the permission to add new macros
      private void setAutoload​(boolean b)
      set the switch for automatic reloading of global library-based VMs
      private boolean setReplacementPermission​(boolean arg)
      sets the permission for allowing addMacro() calls to replace existing VM's
      private void setTemplateLocalInline​(boolean b)
      sets permission to have VMs local in scope to their declaring template note that this is really taken care of in the VMManager class, but we need it here for gating purposes in addVM eventually, I will slide this all into the manager, maybe.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • rsvc

        private final RuntimeServices rsvc
        runtime services for this instance
      • vmManager

        private VelocimacroManager vmManager
        VMManager : deal with namespace management and actually keeps all the VM definitions
      • replaceAllowed

        private boolean replaceAllowed
        determines if replacement of global VMs are allowed controlled by VM_PERM_ALLOW_INLINE_REPLACE_GLOBAL
      • addNewAllowed

        private boolean addNewAllowed
        controls if new VMs can be added. Set by VM_PERM_ALLOW_INLINE Note the assumption that only through inline defs can this happen. additions through autoloaded VMs is allowed
      • templateLocal

        private boolean templateLocal
        sets if template-local namespace in used
      • autoReloadLibrary

        private boolean autoReloadLibrary
        determines if the libraries are auto-loaded when they change
      • macroLibVec

        private java.util.List macroLibVec
        vector of the library names
      • libModMap

        private java.util.Map libModMap
        map of the library Template objects used for reload determination
    • Constructor Detail

      • VelocimacroFactory

        public VelocimacroFactory​(RuntimeServices rsvc)
        C'tor for the VelociMacro factory.
        Parameters:
        rsvc - Reference to a runtime services object.
    • Method Detail

      • initVelocimacro

        public void initVelocimacro()
        initialize the factory - setup all permissions load all global libraries.
      • addVelocimacro

        public boolean addVelocimacro​(java.lang.String name,
                                      java.lang.String macroBody,
                                      java.lang.String[] argArray,
                                      java.lang.String sourceTemplate)
        Adds a macro to the factory. addVelocimacro(String, Node, String[] argArray, String) should be used internally instead of this.
        Parameters:
        name - Name of the Macro to add.
        macroBody - String representation of the macro.
        argArray - Macro arguments. First element is the macro name.
        sourceTemplate - Source template from which the macro gets registered.
        Returns:
        true if Macro was registered successfully.
      • addVelocimacro

        public boolean addVelocimacro​(java.lang.String name,
                                      Node macroBody,
                                      java.lang.String[] argArray,
                                      java.lang.String sourceTemplate)
        Adds a macro to the factory.
        Parameters:
        name - Name of the Macro to add.
        macroBody - root node of the parsed macro AST
        argArray - Name of the macro arguments. First element is the macro name.
        sourceTemplate - Source template from which the macro gets registered.
        Returns:
        true if Macro was registered successfully.
        Since:
        1.6
      • canAddVelocimacro

        private boolean canAddVelocimacro​(java.lang.String name,
                                          java.lang.String sourceTemplate)
        determines if a given macro/namespace (name, source) combo is allowed to be added
        Parameters:
        name - Name of VM to add
        sourceTemplate - Source template that contains the defintion of the VM
        Returns:
        true if it is allowed to be added, false otherwise
      • isVelocimacro

        public boolean isVelocimacro​(java.lang.String vm,
                                     java.lang.String sourceTemplate)
        Tells the world if a given directive string is a Velocimacro
        Parameters:
        vm - Name of the Macro.
        sourceTemplate - Source template from which the macro should be loaded.
        Returns:
        True if the given name is a macro.
      • getVelocimacro

        public Directive getVelocimacro​(java.lang.String vmName,
                                        java.lang.String sourceTemplate)
        actual factory : creates a Directive that will behave correctly wrt getting the framework to dig out the correct # of args
        Parameters:
        vmName - Name of the Macro.
        sourceTemplate - Source template from which the macro should be loaded.
        Returns:
        A directive representing the Macro.
      • getVelocimacro

        public Directive getVelocimacro​(java.lang.String vmName,
                                        java.lang.String sourceTemplate,
                                        java.lang.String renderingTemplate)
        Since:
        1.6
      • dumpVMNamespace

        public boolean dumpVMNamespace​(java.lang.String namespace)
        tells the vmManager to dump the specified namespace
        Parameters:
        namespace - Namespace to dump.
        Returns:
        True if namespace has been dumped successfully.
      • setTemplateLocalInline

        private void setTemplateLocalInline​(boolean b)
        sets permission to have VMs local in scope to their declaring template note that this is really taken care of in the VMManager class, but we need it here for gating purposes in addVM eventually, I will slide this all into the manager, maybe.
      • getTemplateLocalInline

        private boolean getTemplateLocalInline()
      • setAddMacroPermission

        private boolean setAddMacroPermission​(boolean addNewAllowed)
        sets the permission to add new macros
      • setReplacementPermission

        private boolean setReplacementPermission​(boolean arg)
        sets the permission for allowing addMacro() calls to replace existing VM's
      • setAutoload

        private void setAutoload​(boolean b)
        set the switch for automatic reloading of global library-based VMs
      • getAutoload

        private boolean getAutoload()
        get the switch for automatic reloading of global library-based VMs