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java.lang.Object php.java.script.ScriptContextDecorator
public abstract class ScriptContextDecorator
Abstract class for ScriptContexts. The abstract class itself provides default methods that pass all requests to the contained ScriptContext. Subclasses of ScriptContextDecorator should override some of these methods and may also provide additional methods and fields.
Field Summary |
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Fields inherited from interface javax.script.ScriptContext |
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ENGINE_SCOPE, GLOBAL_SCOPE |
Constructor Summary | |
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ScriptContextDecorator(ScriptContext ctx)
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Method Summary | |
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java.lang.Object |
getAttribute(java.lang.String name)
Retrieves the value of the getAttribute(String, int) for the lowest scope in which it returns a non-null value. |
java.lang.Object |
getAttribute(java.lang.String name,
int scope)
Retrieves the value of an attribute in the specified scope. |
int |
getAttributesScope(java.lang.String name)
Retrieves the lowest value of the scope for which the attribute is defined. |
Bindings |
getBindings(int scope)
Retrieves the Namespace instance associated with the gieve scope. |
java.io.Writer |
getErrorWriter()
Returns the Writer used to display error output. |
java.io.Reader |
getReader()
Returns a Reader to be used by the script to read
input. |
java.util.List |
getScopes()
Returns immutable List of all the valid values for
scope in the ScriptContext. |
java.io.Writer |
getWriter()
Returns the Writer for scripts to use when displaying output. |
java.lang.Object |
removeAttribute(java.lang.String name,
int scope)
Removes the given attribute form the specified scope. |
void |
setAttribute(java.lang.String key,
java.lang.Object value,
int scope)
Associates a specified value with the specifed name in the specified scope. |
void |
setBindings(Bindings namespace,
int scope)
Associates the specified namespace with the specified scope. |
void |
setErrorWriter(java.io.Writer writer)
Sets the Writer used to display error output. |
void |
setReader(java.io.Reader reader)
Sets the Reader for scripts to read input
. |
void |
setWriter(java.io.Writer writer)
Sets the Writer for scripts to use when displaying output. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ScriptContextDecorator(ScriptContext ctx)
Method Detail |
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public java.lang.Object getAttribute(java.lang.String name) throws java.lang.IllegalArgumentException
getAttribute
in interface ScriptContext
name
- the name of the attribute
java.lang.IllegalArgumentException
- if the name is nullpublic java.lang.Object getAttribute(java.lang.String name, int scope) throws java.lang.IllegalArgumentException
getAttribute
in interface ScriptContext
name
- the name of the attributescope
- the value of the scope
java.lang.IllegalArgumentException
- if the name is null or the
scope is invalidpublic int getAttributesScope(java.lang.String name)
getAttributesScope
in interface ScriptContext
name
- the name of attribute
public Bindings getBindings(int scope)
getBindings
in interface ScriptContext
scope
- the level of the scope
public java.io.Writer getErrorWriter()
Writer
used to display error output.
getErrorWriter
in interface ScriptContext
Writer
public java.io.Reader getReader()
Reader
to be used by the script to read
input.
getReader
in interface ScriptContext
Reader
.public java.util.List getScopes()
List
of all the valid values for
scope in the ScriptContext.
getScopes
in interface ScriptContext
public java.io.Writer getWriter()
Writer
for scripts to use when displaying output.
getWriter
in interface ScriptContext
Writer
.public java.lang.Object removeAttribute(java.lang.String name, int scope)
removeAttribute
in interface ScriptContext
name
- the name of the attributescope
- the level of scope which inherit the attribute
public void setAttribute(java.lang.String key, java.lang.Object value, int scope) throws java.lang.IllegalArgumentException
setAttribute
in interface ScriptContext
key
- the name of the attributevalue
- the value of the attributescope
- the level of the scope
java.lang.IllegalArgumentException
- if the name is null or the
scope is invalidpublic void setBindings(Bindings namespace, int scope) throws java.lang.IllegalArgumentException
setBindings
in interface ScriptContext
namespace
- the namespace to be associated with the
specified level of scopescope
- the specified level of scope
java.lang.IllegalArgumentException
- if the scope is invalidpublic void setErrorWriter(java.io.Writer writer)
Writer
used to display error output.
setErrorWriter
in interface ScriptContext
writer
- The Writer
.public void setReader(java.io.Reader reader)
Reader
for scripts to read input
.
setReader
in interface ScriptContext
reader
- The new Reader
.public void setWriter(java.io.Writer writer)
Writer
for scripts to use when displaying output.
setWriter
in interface ScriptContext
writer
- The new Writer
.
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