Examples of WireParser

org.jbpm.pvm.internal.wire.xml.WireParser
parses object wiring xml and constructs a WireDefinition.
To learn the full XML syntax, check out the xsd docs
- To describe an object:
  - <object .../>: see {@link ObjectBinding}
- To describe basic types:
  - <boolean .../>, <true /> and <false/>: see {@link BooleanBinding}
  - <byte .../>: see {@link ByteBinding}
  - <char .../>: see {@link CharBinding}
  - <double .../>: see {@link DoubleBinding}
  - <float .../>: see {@link FloatBinding}
  - <int .../>: see {@link IntBinding}
  - <string .../>: see {@link StringBinding}
- To describe collections:
  - <map .../>: see {@link MapBinding}
  - <set .../>: see {@link SetBinding}
  - <list .../>: see {@link ListBinding}
- Others:
  - <class .../>: see {@link ClassBinding}
  - <ref .../>: see {@link RefBinding}
  - <null .../>: see {@link NullBinding}
Bindings

The defaults bindings for the Wiring XML are divided in two categories:
- Descriptors, registered with the {@link #CATEGORY_DESCRIPTOR} category
- Operations, registered with the {@link #CATEGORY_OPERATION} category
Once a parser is created, bindings can be added, overwritten and removed to customize that parser instance.

Describing arguments

An ArgDescriptor is defined by a <arg> xml element.

This element can have an attribute "type", which specifies name of the argument's type.

This element contains one child element that defines a {@link Descriptor}. This descriptor specifies the value to give to the argument.

Example
Consider the following class:
```
 public class Hello { public static String sayHello(String name) { return "Hello " + name + " !"; } }
```
The following Xml declaration will create an object 's' of class 'String' (see {@link ObjectDescriptor}). This object is created by invoking Hello.sayHello with the value world as a parameter.
```
 <objects> <object name="s" class='Hello' method='sayHello'> <arg> <string value='world' /> </arg> </object> </objects>
```
The created object 's' will be a String, containing "Hello world !".
Initialization

The initialization method can be defined with the init attribute. For more details on how initialization works, see section 'Initialization' of {@link WireContext}.
The init attribute can have these values:
- lazy: for lazy creation and delayed initialization
- required: for lazy creation and immediate initialization
- eager: for eager creation and delayed initialization
- immediate: for eager creation and immediate initialization
@author Tom Baeyens @author Guillaume Porcher (documentation)
org.jbpm.wire.xml.WireParser
parses object wiring xml and constructs a WireDefinition.
To learn the full XML syntax, check out the Bindings:
- To describe an object:
  - <object .../>: see {@link ObjectBinding}
- To describe basic types:
  - <boolean .../>, <true /> and <false/>: see {@link BooleanBinding}
  - <byte .../>: see {@link ByteBinding}
  - <char .../>: see {@link CharBinding}
  - <double .../>: see {@link DoubleBinding}
  - <float .../>: see {@link FloatBinding}
  - <int .../>: see {@link IntBinding}
  - <string .../>: see {@link StringBinding}
- To describe collections:
  - <map .../>: see {@link MapBinding}
  - <set .../>: see {@link SetBinding}
  - <list .../>: see {@link ListBinding}
- Others:
  - <class .../>: see {@link ClassBinding}
  - <ref .../>: see {@link RefBinding}
  - <null .../>: see {@link NullBinding}
  - <environment .../>: see {@link EnvironmentBinding}
  - <environment-factory .../>: see {@link EnvironmentFactoryBinding}
  - <hibernate-persistence .../>: see {@link HibernateSessionFactoryBinding}
  - <persistence-session .../>: see {@link PersistenceSessionBinding}
Bindings

The defaults bindings for the Wiring XML are divided in two categories:
- Descriptors, registered with the {@link #CATEGORY_DESCRIPTOR} category
- Operations, registered with the {@link #CATEGORY_OPERATION} category
Once a parser is created, bindings can be added, overwritten and removed to customize that parser instance.

Describing arguments

An ArgDescriptor is defined by a <arg> xml element.

This element can have an attribute "type", which specifies name of the argument's type.

This element contains one child element that defines a {@link Descriptor}. This descriptor specifies the value to give to the argument.

Example
Consider the following class:
```
 public class Hello { public static String sayHello(String name) { return "Hello " + name + " !"; } }
```
The following Xml declaration will create an object 's' of class 'String' (see {@link ObjectDescriptor}). This object is created by invoking Hello.sayHello with the value world as a parameter.
```
 <objects> <object name="s" class='Hello' method='sayHello'> <arg> <string value='world' /> </arg> </object> </objects>
```
The created object 's' will be a String, containing "Hello world !".
Initialization

The initialization method can be defined with the init attribute. For more details on how initialization works, see section 'Initialization' of {@link WireContext}.
The init attribute can have these values:
- lazy: for lazy creation and delayed initialization
- required: for lazy creation and immediate initialization
- eager: for eager creation and delayed initialization
- immediate: for eager creation and immediate initialization
@author Tom Baeyens @author Guillaume Porcher (documentation)

Examples of org.jbpm.pvm.internal.wire.xml.WireParser

  protected String[] readContextNames = null;
  protected String writeContextName;
  
  public static synchronized ScriptManager getDefaultScriptManager() {
    if (defaultScriptManager==null) {
      WireDefinition wireDefinition = (WireDefinition) new WireParser()
        .createParse()
        .setString(
          "<objects>" +
          "  <script-manager default-expression-language='juel'" +
          "                  default-script-language='beanshell'>" +

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Examples of org.jbpm.pvm.internal.wire.xml.WireParser

    Element parametersElement = XmlUtil.element(element, "parameters");
    List<Element> paramElements = XmlUtil.elements(parametersElement);
    if (!paramElements.isEmpty()) {
      List<Descriptor> parametersDescriptor = new ArrayList<Descriptor>();
      for (Element paramElement: paramElements) {
        WireParser wireParser = WireParser.getInstance();
        Descriptor paramDescriptor = (Descriptor) wireParser.parseElement(paramElement, parse, WireParser.CATEGORY_DESCRIPTOR);
        parametersDescriptor.add(paramDescriptor);
      }


      ListDescriptor parametersListDescriptor = new ListDescriptor();
      parametersListDescriptor.setValueDescriptors(parametersDescriptor);

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Examples of org.jbpm.pvm.internal.wire.xml.WireParser


  /** looks up the default script manager used for non persistent purposes where 
   * no environment is installed. */
  public static synchronized ScriptManager getDefaultScriptManager() {
    if (defaultScriptManager==null) {
      WireDefinition wireDefinition = (WireDefinition) new WireParser()
        .createParse()
        .setString(
          "<objects>" +
          "  <script-manager default-expression-language='juel'" +
          "                  default-script-language='beanshell'>" +

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Examples of org.jbpm.pvm.internal.wire.xml.WireParser

    Element parametersElement = XmlUtil.element(element, "parameters");
    List<Element> paramElements = XmlUtil.elements(parametersElement);
    if (!paramElements.isEmpty()) {
      List<Descriptor> parametersDescriptor = new ArrayList<Descriptor>();
      for (Element paramElement: paramElements) {
        WireParser wireParser = WireParser.getInstance();
        Descriptor paramDescriptor = (Descriptor) wireParser.parseElement(paramElement, parse, WireParser.CATEGORY_DESCRIPTOR);
        parametersDescriptor.add(paramDescriptor);
      }


      ListDescriptor parametersListDescriptor = new ListDescriptor();
      parametersListDescriptor.setValueDescriptors(parametersDescriptor);

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Examples of org.jbpm.pvm.internal.wire.xml.WireParser

  
  private void parseEjbInvocation(JavaActivity javaActivity, Element element, Parse parse, JpdlParser parser) {
    javaActivity.setJndiName(XmlUtil.attribute(element, "ejb-jndi-name"));
    javaActivity.setMethodName(XmlUtil.attribute(element, "method"));
    List<Element> argElements = XmlUtil.elements(element, "arg");
    List<ArgDescriptor> argDescriptors = new WireParser().parseArgs(argElements, parse);
    javaActivity.setArgDescriptors(argDescriptors);
  }

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Examples of org.jbpm.wire.xml.WireParser


    // method & args
    String methodName = XmlUtil.attribute(element, "method");
    subscribeOperation.setMethodName(methodName);
    List<Element> argElements = XmlUtil.elements(element, "arg");
    WireParser wireParser = (WireParser) parser;
    List<ArgDescriptor> argDescriptors = wireParser.parseArgs(argElements, parse);
    subscribeOperation.setArgDescriptors(argDescriptors);


   return subscribeOperation;
  }

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Examples of org.jbpm.wire.xml.WireParser

public class ObjectBinding implements Binding {


  public Object parse(Element element, Parse parse, Parser parser) {
    ObjectDescriptor descriptor = new ObjectDescriptor();


    WireParser wireParser = (WireParser) parser;
    String className = XmlUtil.attribute(element, "class");
    String factoryObjectName = XmlUtil.attribute(element, "factory");
    Element factoryElement = XmlUtil.element(element, "factory");


    if (className!=null) {
      descriptor.setClassName(className);
      if (factoryObjectName!=null) {
        parse.addProblem("attribute factory is specified together with attribute class in element object: "+XmlUtil.toString(element));
      }
      if (factoryElement!=null) {
        parse.addProblem("element factory is specified together with attribute class in element object: "+XmlUtil.toString(element));
      }


      Element constructorElement = XmlUtil.element(element, "constructor");
      if (constructorElement!=null) {
        List<Element> argElements = XmlUtil.elements(constructorElement, "arg");
        List<ArgDescriptor> argDescriptors = wireParser.parseArgs(argElements, parse);
        descriptor.setArgDescriptors(argDescriptors);


        if (element.hasAttribute("method")) {
          parse.addProblem("attributes class and method indicate static method and also a constructor element is specified for element object: "+XmlUtil.toString(element));
        }
      }


    } else if (factoryObjectName!=null) {
      descriptor.setFactoryObjectName(factoryObjectName);
      if (factoryElement!=null) {
        parse.addProblem("element factory is specified together with attribute factory in element object: "+XmlUtil.toString(element));
      }


    } else if (factoryElement!=null) {
      Element factoryDescriptorElement = XmlUtil.element(factoryElement);
      Descriptor factoryDescriptor = (Descriptor) parser.parseElement(factoryDescriptorElement, parse, WireParser.CATEGORY_DESCRIPTOR);
      descriptor.setFactoryDescriptor(factoryDescriptor);


    } else {
      parse.addProblem("element object must have one of {attribute class, attribute factory or element factory}: "+XmlUtil.toString(element));
    }


    // method
    if (element.hasAttribute("method")) {
      descriptor.setMethodName(element.getAttribute("method"));


      List<Element> argElements = XmlUtil.elements(element, "arg");
      List<ArgDescriptor> argDescriptors = wireParser.parseArgs(argElements, parse);
      descriptor.setArgDescriptors(argDescriptors);
    } else if (className == null) {
      parse.addProblem("element object with a element factory or a attribute factory must have a attribute method: "+XmlUtil.toString(element));
    }

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Examples of org.jbpm.wire.xml.WireParser

      invokeOperation.setMethodName(element.getAttribute("method"));
    } else {
      parse.addProblem("invoke must have method : "+XmlUtil.toString(element));
    }
    List<Element> argElements = XmlUtil.elements(element, "arg");
    WireParser wireParser = (WireParser) parser;
    List<ArgDescriptor> argDescriptors = wireParser.parseArgs(argElements, parse);
    invokeOperation.setArgDescriptors(argDescriptors);
    return invokeOperation;
  }

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Examples of WireParser

Bindings

Describing arguments

Example

Initialization

Bindings

Describing arguments

Example

Initialization

Examples of org.jbpm.pvm.internal.wire.xml.WireParser

Examples of org.jbpm.pvm.internal.wire.xml.WireParser

Examples of org.jbpm.pvm.internal.wire.xml.WireParser

Examples of org.jbpm.pvm.internal.wire.xml.WireParser

Examples of org.jbpm.pvm.internal.wire.xml.WireParser

Examples of org.jbpm.wire.xml.WireParser

Examples of org.jbpm.wire.xml.WireParser

Examples of org.jbpm.wire.xml.WireParser