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org.apache.cocoon.components.modules.input
Class StringConcatMetaModule

java.lang.Object
  org.apache.cocoon.util.AbstractLogEnabled
      org.apache.cocoon.components.modules.input.AbstractInputModule
          org.apache.cocoon.components.modules.input.AbstractMetaModule
              org.apache.cocoon.components.modules.input.StringConcatMetaModule

All Implemented Interfaces:

Configurable, Disposable, org.apache.cocoon.components.modules.input.InputModule, Serviceable

public class StringConcatMetaModule

extends org.apache.cocoon.components.modules.input.AbstractMetaModule

StringConcatMetaModule concats strings from configured module chain. It assumes that all modules have string attributes, on the contrary, it calls toString() method.
If null is returned by some module RuntimeException will be thrown.

For configuration of input module chain take a look at example on ChainMetaModule.

Field Summary

Fields inherited from class org.apache.cocoon.components.modules.input.AbstractMetaModule

defaultInput, initialized, input, INPUT_MODULE_SELECTOR, inputConf, inputSelector, manager

Fields inherited from class org.apache.cocoon.components.modules.input.AbstractInputModule

settings

Fields inherited from interface org.apache.cocoon.components.modules.input.InputModule

ROLE

Constructor Summary

StringConcatMetaModule()

Method Summary

void	configure(Configuration config)
Object	getAttribute(String name, Configuration modeConf, Map objectModel)
protected org.apache.cocoon.components.modules.input.ModuleHolder[]	getFilteredInputModules(Configuration[] configurations)
protected org.apache.cocoon.components.modules.input.ModuleHolder[]	getInputModules(Configuration[] dynamicConfigurations)

Methods inherited from class org.apache.cocoon.components.modules.input.AbstractMetaModule

dispose, getNames, getNames, getValue, getValue, getValue, getValue, getValues, getValues, getValues, getValues, lazy_initialize, obtainModule, releaseModule, service

Methods inherited from class org.apache.cocoon.components.modules.input.AbstractInputModule

getAttributeNames, getAttributeValues

Methods inherited from class org.apache.cocoon.util.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StringConcatMetaModule

public StringConcatMetaModule()

Method Detail

getFilteredInputModules

protected org.apache.cocoon.components.modules.input.ModuleHolder[] getFilteredInputModules(Configuration[] configurations)
                                                                                     throws ConfigurationException

Parameters:

configurations - List of configuration objects for input modules

Returns:

List of ModuleHolder objects obtained from configurations. If configuration does not have attribute it will be skipped and error logged.

Throws:

ConfigurationException

getInputModules

protected org.apache.cocoon.components.modules.input.ModuleHolder[] getInputModules(Configuration[] dynamicConfigurations)
                                                                             throws ConfigurationException

Parameters:

dynamicConfigurations -

Returns:

It returns list of modules. If does not contain valid list of configuration (e.g. is null) then static list is returned. In other case list is obtained from dynamicConfigurations.

Throws:

ConfigurationException

configure

public void configure(Configuration config)
               throws ConfigurationException

Throws:

ConfigurationException

See Also:

AbstractInputModule.configure(org.apache.avalon.framework.configuration.Configuration)

getAttribute

public Object getAttribute(String name,
                           Configuration modeConf,
                           Map objectModel)
                    throws ConfigurationException

Throws:

ConfigurationException