edu.ucsb.adl.middleware
Class Query.TextualConstraint

java.lang.Object
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  +--edu.ucsb.adl.middleware.Query.Constraint
        |
        +--edu.ucsb.adl.middleware.Query.SimpleConstraint
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              +--edu.ucsb.adl.middleware.Query.TextualConstraint

Enclosing class:

Query

public static final class Query.TextualConstraint

extends Query.SimpleConstraint

A textual constraint.

Field Summary

Fields inherited from class edu.ucsb.adl.middleware.Query.SimpleConstraint

m_bucket, m_field, m_operator

Fields inherited from class edu.ucsb.adl.middleware.Query.Constraint

m_parent

Constructor Summary

Query.TextualConstraint(java.lang.String bucket, Query.Field field, java.lang.String operator, java.lang.String text)
Constructs a TextualConstraint.

Method Summary

java.lang.String	getText() Returns the target text.
java.lang.String	toHTML(java.lang.String mapServerURL) Converts the constraint to HTML.
java.lang.String	toXML(int level) Converts the constraint to XML.

Methods inherited from class edu.ucsb.adl.middleware.Query.SimpleConstraint

commonFieldsToXML, getBucket, getField, getOperator

Methods inherited from class edu.ucsb.adl.middleware.Query.Constraint

getParent

Methods inherited from class java.lang.Object

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

Constructor Detail

Query.TextualConstraint

public Query.TextualConstraint(java.lang.String bucket,
                               Query.Field field,
                               java.lang.String operator,
                               java.lang.String text)

Constructs a TextualConstraint.

Parameters:

bucket - The bucket to constrain, e.g., "originators".

field - The field to constrain, or null.

operator - The constraint operator, e.g., "contains-phrase".

text - The target text, e.g., "Geological Survey".

Throws:

java.lang.NullPointerException - If any of the arguments other than field is null.

Method Detail

getText

public java.lang.String getText()

Returns the target text.

Returns:

The target text.

toHTML

public java.lang.String toHTML(java.lang.String mapServerURL)

Converts the constraint to HTML.

Specified by:

toHTML in class Query.Constraint

Parameters:

mapServerURL - Unused.

Returns:

An HTML fragment consisting of a single <li> element.

toXML

public java.lang.String toXML(int level)

Converts the constraint to XML.

Specified by:

toXML in class Query.Constraint

Parameters:

level - The current indentation level; should be nonnegative.

Returns:

An XML fragment.