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org.apache.taglibs.rdc.dm
Class DMUtils  

java.lang.Object
  org.apache.taglibs.rdc.dm.DMUtils

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public class DMUtils

extends java.lang.Object

Utility methods for the dm package

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Field Summary
private static java.lang.String	ERR_BAD_EXPR
private static java.lang.String	ERR_NO_SUCH_MODEL
private static java.lang.String	ERR_NULL_EXPR
private static java.lang.String	FILLER
private static java.lang.String	FILLER_NO_END_EXPR
private static int	ID_GROUP
private static java.lang.String	ID_TOK
private static org.apache.commons.logging.Log	log
private static java.lang.String	NESTED_DATAMODEL_SEPARATOR
private static java.util.regex.Pattern	PATTERN_ID
private static java.util.regex.Pattern	PATTERN_OPEN_EXPR
private static java.lang.String	START_EXPR

 

Constructor Summary

DMUtils()

 

Method Summary
private static void	addToCache(java.util.LinkedHashMap cache, java.lang.String key, java.lang.Object value, java.lang.String var)           LRU Cache implementation using LinkedHashMap
(package private) static int	invokeDormantChild(java.util.Map children, java.util.List activeChildren, java.lang.String id)           Activate child so it takes over the dialog from the next turn
static boolean	isChildDone(org.apache.taglibs.rdc.core.BaseModel model)           Return true if the given component or container is done.
(package private) static java.lang.Object	proprietaryEval(org.apache.taglibs.rdc.core.GroupTag groupTag, org.apache.taglibs.rdc.core.GroupModel groupModel, java.lang.String expr, java.lang.Class retClass, java.util.LinkedHashMap lruCache, java.util.List tempVars)           Two pass evaluation: 1) Substitute value-of RDCs 2) Evaluate using the EL evaluator
private static java.lang.Object	valueOfELExpr(javax.servlet.jsp.JspContext ctx, java.lang.String expr_, java.lang.Class retType)           Obtain the value of the given JSP 2.0 EL expression in the group tag's PageContext.
private static java.lang.Object	valueOfIDExpr(org.apache.taglibs.rdc.core.GroupModel groupModel, java.lang.String id)           Obtain the value of the given ID with respect to the given GroupModel.
private static java.lang.String	wrapAsNeeded(java.lang.String startStr, java.lang.String pageVar, java.lang.String endStr)           Make sure the temporary page context variable gets evaluated in an EL expression

 

Methods inherited from class java.lang.Object

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

 

Field Detail

NESTED_DATAMODEL_SEPARATOR

private static final java.lang.String NESTED_DATAMODEL_SEPARATOR

See Also:

Constant Field Values

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FILLER

private static final java.lang.String FILLER

See Also:

Constant Field Values

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ID_TOK

private static final java.lang.String ID_TOK

See Also:

Constant Field Values

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START_EXPR

private static final java.lang.String START_EXPR

See Also:

Constant Field Values

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FILLER_NO_END_EXPR

private static final java.lang.String FILLER_NO_END_EXPR

See Also:

Constant Field Values

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PATTERN_ID

private static final java.util.regex.Pattern PATTERN_ID

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ID_GROUP

private static final int ID_GROUP

See Also:

Constant Field Values

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PATTERN_OPEN_EXPR

private static final java.util.regex.Pattern PATTERN_OPEN_EXPR

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ERR_NO_SUCH_MODEL

private static final java.lang.String ERR_NO_SUCH_MODEL

See Also:

Constant Field Values

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ERR_NULL_EXPR

private static final java.lang.String ERR_NULL_EXPR

See Also:

Constant Field Values

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ERR_BAD_EXPR

private static final java.lang.String ERR_BAD_EXPR

See Also:

Constant Field Values

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log

private static org.apache.commons.logging.Log log

Constructor Detail

DMUtils

public DMUtils()

Method Detail

isChildDone

public static boolean isChildDone(org.apache.taglibs.rdc.core.BaseModel model)

Return true if the given component or container is done.

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invokeDormantChild

static int invokeDormantChild(java.util.Map children,
                              java.util.List activeChildren,
                              java.lang.String id)

Activate child so it takes over the dialog from the next turn

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proprietaryEval

static java.lang.Object proprietaryEval(org.apache.taglibs.rdc.core.GroupTag groupTag,
                                        org.apache.taglibs.rdc.core.GroupModel groupModel,
                                        java.lang.String expr,
                                        java.lang.Class retClass,
                                        java.util.LinkedHashMap lruCache,
                                        java.util.List tempVars)

Two pass evaluation: 1) Substitute value-of RDCs 2) Evaluate using the EL evaluator

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addToCache

private static void addToCache(java.util.LinkedHashMap cache,
                               java.lang.String key,
                               java.lang.Object value,
                               java.lang.String var)

LRU Cache implementation using LinkedHashMap

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wrapAsNeeded

private static java.lang.String wrapAsNeeded(java.lang.String startStr,
                                             java.lang.String pageVar,
                                             java.lang.String endStr)

Make sure the temporary page context variable gets evaluated in an EL expression

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valueOfIDExpr

private static java.lang.Object valueOfIDExpr(org.apache.taglibs.rdc.core.GroupModel groupModel,
                                              java.lang.String id)

Obtain the value of the given ID with respect to the given GroupModel.

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valueOfELExpr

private static java.lang.Object valueOfELExpr(javax.servlet.jsp.JspContext ctx,
                                              java.lang.String expr_,
                                              java.lang.Class retType)

Obtain the value of the given JSP 2.0 EL expression in the group tag's PageContext.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> taglibs >> rdc >> [ dm overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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