public class NameValuePairs extends java.lang.Object implements AttributeList, ExprValueSupplier
This class provides methods for setting and getting values either by index or by name.
Constructor and Description |
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NameValuePairs()
Creates an empty attribute list.
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NameValuePairs(int size)
Constructs a new attribute list with a specified initial capacity.
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NameValuePairs(java.lang.String[] nameArr,
java.lang.Object[] valArr) |
Modifier and Type | Method and Description |
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void |
clear() |
java.lang.Object |
getAttribute(int index)
Gets the value of an attribute identified by its index.
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java.lang.Object |
getAttribute(java.lang.String name)
Gets the value of an attribute identified by name.
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int |
getAttributeCount()
Counts the attributes.
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int |
getAttributeIndexOf(java.lang.String name)
Gets the index of a named attribute.
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java.lang.String[] |
getAttributeNames()
Returns an array of attribute names in this list.
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java.lang.Object[] |
getAttributeValues()
Returns an array of attribute values in this list.
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java.lang.Object |
getExprVarVal(java.lang.String varName) |
void |
setAttribute(int index,
java.lang.Object value)
Sets the value for the specified attribute.
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void |
setAttribute(java.lang.String name,
java.lang.Object value)
Sets the value for the named attribute.
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void |
setExprVarVal(java.lang.String varName,
java.lang.Object val) |
public NameValuePairs()
public NameValuePairs(int size)
size
- the initial cacpacity.public NameValuePairs(java.lang.String[] nameArr, java.lang.Object[] valArr)
public java.lang.Object getAttribute(int index)
getAttribute
in interface AttributeList
index
- the attribute's index.null
if
index
is out of range.public java.lang.Object getAttribute(java.lang.String name)
getAttribute
in interface AttributeList
name
- the attribute's name.null
if
index
is out of range.public void setAttribute(int index, java.lang.Object value)
setAttribute
in interface AttributeList
index
- the attribute index.value
- the attribute's new value.public void setAttribute(java.lang.String name, java.lang.Object value)
setAttribute
in interface AttributeList
name
- the attribute name.value
- the attribute's new value.public int getAttributeCount()
getAttributeCount
in interface AttributeList
public int getAttributeIndexOf(java.lang.String name)
getAttributeIndexOf
in interface AttributeList
name
- the attribute's name.public java.lang.String[] getAttributeNames()
AttributeList
getAttributeNames
in interface AttributeList
public java.lang.Object[] getAttributeValues()
AttributeList
getAttributeValues
in interface AttributeList
public void clear()
public java.lang.Object getExprVarVal(java.lang.String varName)
getExprVarVal
in interface ExprValueSupplier
public void setExprVarVal(java.lang.String varName, java.lang.Object val)
setExprVarVal
in interface ExprValueSupplier