com.google.javascript.jscomp

Class VariableMap

java.lang.Object

com.google.javascript.jscomp.VariableMap

public final class VariableMap
extends Object

Stores the mapping from original variable name to new variable names.

See Also:

RenameVars

Method Summary

Modifier and Type	Method and Description
static VariableMap	fromBytes(byte[] bytes) Deserializes the variable map from a byte array returned by toBytes().
static VariableMap	fromMap(Map<String,String> map) Initializes the variable map from an existing map.
Map<String,String>	getNewNameToOriginalNameMap() Returns an unmodifiable mapping from new names to original names.
Map<String,String>	getOriginalNameToNewNameMap() Returns an unmodifiable mapping from original names to new names.
static VariableMap	load(String filename) Reads the variable map from a file written via save(String).
String	lookupNewName(String sourceName) Given an original variable name, look up new name, may return null if it's not found.
String	lookupSourceName(String newName) Given a new variable name, lookup the source name, may return null if it's not found.
void	save(String filename) Saves the variable map to a file.
byte[]	toBytes() Serializes the variable map to a byte array.

Methods inherited from class java.lang.Object

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

Method Detail

lookupNewName

public String lookupNewName(String sourceName)

Given an original variable name, look up new name, may return null if it's not found.

lookupSourceName

public String lookupSourceName(String newName)

Given a new variable name, lookup the source name, may return null if it's not found.

getOriginalNameToNewNameMap

public Map<String,String> getOriginalNameToNewNameMap()

Returns an unmodifiable mapping from original names to new names.

getNewNameToOriginalNameMap

public Map<String,String> getNewNameToOriginalNameMap()

Returns an unmodifiable mapping from new names to original names.

save

@GwtIncompatible(value="com.google.io.Files")
public void save(String filename)
                                                        throws IOException

Saves the variable map to a file.

Throws:

IOException

load

@GwtIncompatible(value="java.io.File")
public static VariableMap load(String filename)
                                                               throws IOException

Reads the variable map from a file written via save(String).

Throws:

IOException

toBytes

@GwtIncompatible(value="java.io.ByteArrayOutputStream")
public byte[] toBytes()

Serializes the variable map to a byte array.

fromBytes

@GwtIncompatible(value="com.google.common.base.Splitter.onPattern()")
public static VariableMap fromBytes(byte[] bytes)
                                                                                                   throws ParseException

Deserializes the variable map from a byte array returned by toBytes().

Throws:

ParseException

fromMap

public static VariableMap fromMap(Map<String,String> map)

Initializes the variable map from an existing map.

Parameters:

map - The map to use from original names to generated names. It is copied and changes to the specified map will not affect the returned object.