Module openj9.dtfjview

Package com.ibm.jvm.dtfjview.commands.helpers

Class Utils

java.lang.Object

com.ibm.jvm.dtfjview.commands.helpers.Utils

public class Utils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	byteToAscii
static final String	byteToEbcdic
static final String	CURRENT_MEM_ADDRESS
static final String	CURRENT_NUM_BYTES_TO_PRINT
static final String	FIND_ATTRIBUTES
static final String	REVERSE_SORT_FLAG
static final String	RootCommand_OBJECT
static final String	SORT_BY_ADDRESS_FLAG
static final String	SORT_BY_COUNT_FLAG
static final String	SORT_BY_NAME_FLAG
static final String	SORT_BY_SIZE_FLAG
static final String	VERBOSE_FLAG

Constructor Summary

Constructors

Constructor	Description
Utils()

Method Summary

Modifier and Type	Method	Description
static ImageAddressSpace	_extractAddressSpace(Image loadedImage)
static File	absPath(Properties properties, String path)
static String	concatArgsFromStack(Stack<String> args)
static Stack<String>	constructStackFromString(String args)
static Stack<String>	constructStackFromStringArray(String[] argsArray)
static Iterator	getAddressSpaceSectionInfo(Image loadedImage)
static JavaClass	getClassGivenAddress(long address, JavaRuntime jr)
static JavaClass[]	getClassGivenName(String className, JavaRuntime jr, PrintStream out)
static String	getClassModifierString(JavaClass jc)
static String	getFieldModifierString(JavaField jf)
static String	getMethodModifierString(JavaMethod jm)
static String	getMethodSignatureName(String signature)
static JavaThread	getParkBlockerOwner(JavaObject blocker, JavaRuntime r)
static JavaObject	getParkBlockerOwnerObject(JavaObject blocker, JavaRuntime r)
static String	getPrintable(char c)
static String	getPrintable(String s)
static String	getPrintableWithQuotes(char c)
static String	getReturnValueName(String signature)
static Iterator	getRuntimes(Image loadedImage)
static String	getSignatureName(String signature)
static String	getThreadNameFromObject(JavaObject lockOwnerObj, JavaRuntime rt, PrintStream out)
static String	getVal(JavaObject jo, JavaField jf)
static String	getVal(Object o)
static String	getVal(Object o, String str, JavaField jf)
static boolean	isNull(JavaObject jo)
static Long	longFromString(String value)
static Long	longFromStringWithPrefix(String value)
static String	padWithSpaces(String unpadded, int desiredLength)
static String	padWithZeroes(String unpadded, int desiredLength)
static String	prePadWithSpaces(String unpadded, int desiredLength)
static String	toFixedWidthHex(byte b)
static String	toFixedWidthHex(int i)
static String	toFixedWidthHex(long l)
static String	toFixedWidthHex(short s)
static String	toHex(byte b)
static String	toHex(int i)
static String	toHex(long l)
static String	toHex(short s)
static String	toHex(ImagePointer p)	Format an ImagePointer for printing.
static String	toString(String s)

Methods declared in class java.lang.Object

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

Field Details

byteToAscii

public static final String byteToAscii

See Also:

• Constant Field Values

byteToEbcdic

public static final String byteToEbcdic

See Also:

• Constant Field Values

CURRENT_MEM_ADDRESS

public static final String CURRENT_MEM_ADDRESS

See Also:

• Constant Field Values

CURRENT_NUM_BYTES_TO_PRINT

public static final String CURRENT_NUM_BYTES_TO_PRINT

See Also:

• Constant Field Values

RootCommand_OBJECT

public static final String RootCommand_OBJECT

See Also:

• Constant Field Values

FIND_ATTRIBUTES

public static final String FIND_ATTRIBUTES

See Also:

• Constant Field Values

SORT_BY_SIZE_FLAG

public static final String SORT_BY_SIZE_FLAG

See Also:

• Constant Field Values

SORT_BY_NAME_FLAG

public static final String SORT_BY_NAME_FLAG

See Also:

• Constant Field Values

SORT_BY_ADDRESS_FLAG

public static final String SORT_BY_ADDRESS_FLAG

See Also:

• Constant Field Values

SORT_BY_COUNT_FLAG

public static final String SORT_BY_COUNT_FLAG

See Also:

• Constant Field Values

REVERSE_SORT_FLAG

public static final String REVERSE_SORT_FLAG

See Also:

• Constant Field Values

VERBOSE_FLAG

public static final String VERBOSE_FLAG

See Also:

• Constant Field Values

Constructor Details

Utils

public Utils()

Method Details

getRuntimes

public static Iterator getRuntimes(Image loadedImage)

toHex

public static String toHex(ImagePointer p)

Format an ImagePointer for printing. Get the address and format it as a hex string with 0x at the front

Parameters:

p - the ImagePointer

Returns:

p.getAddress() as a hex string

toHex

public static String toHex(long l)

toHex

public static String toHex(int i)

toHex

public static String toHex(short s)

toHex

public static String toHex(byte b)

toFixedWidthHex

public static String toFixedWidthHex(long l)

toFixedWidthHex

public static String toFixedWidthHex(int i)

toFixedWidthHex

public static String toFixedWidthHex(short s)

toFixedWidthHex

public static String toFixedWidthHex(byte b)

constructStackFromString

public static Stack<String> constructStackFromString(String args)

constructStackFromStringArray

public static Stack<String> constructStackFromStringArray(String[] argsArray)

concatArgsFromStack

public static String concatArgsFromStack(Stack<String> args)

_extractAddressSpace

public static ImageAddressSpace _extractAddressSpace(Image loadedImage)

longFromString

public static Long longFromString(String value)

longFromStringWithPrefix

public static Long longFromStringWithPrefix(String value)

getSignatureName

public static String getSignatureName(String signature)

getMethodSignatureName

public static String getMethodSignatureName(String signature)

getReturnValueName

public static String getReturnValueName(String signature)

toString

public static String toString(String s)

absPath

public static File absPath(Properties properties,
 String path)

getVal

public static String getVal(Object o)

getVal

public static String getVal(JavaObject jo,
 JavaField jf)

getVal

public static String getVal(Object o,
 String str,
 JavaField jf)

getPrintable

public static String getPrintable(char c)

getPrintableWithQuotes

public static String getPrintableWithQuotes(char c)

getPrintable

public static String getPrintable(String s)

padWithZeroes

public static String padWithZeroes(String unpadded,
 int desiredLength)

getAddressSpaceSectionInfo

public static Iterator getAddressSpaceSectionInfo(Image loadedImage)

getFieldModifierString

public static String getFieldModifierString(JavaField jf)
                                     throws CorruptDataException

Throws:

CorruptDataException

getMethodModifierString

public static String getMethodModifierString(JavaMethod jm)
                                      throws CorruptDataException

Throws:

CorruptDataException

getClassModifierString

public static String getClassModifierString(JavaClass jc)
                                     throws CorruptDataException

Throws:

CorruptDataException

isNull

public static boolean isNull(JavaObject jo)

padWithSpaces

public static String padWithSpaces(String unpadded,
 int desiredLength)

prePadWithSpaces

public static String prePadWithSpaces(String unpadded,
 int desiredLength)

getClassGivenName

public static JavaClass[] getClassGivenName(String className,
 JavaRuntime jr,
 PrintStream out)

getClassGivenAddress

public static JavaClass getClassGivenAddress(long address,
 JavaRuntime jr)

getParkBlockerOwner

public static JavaThread getParkBlockerOwner(JavaObject blocker,
 JavaRuntime r)
                                      throws CorruptDataException,
MemoryAccessException

Throws:

CorruptDataException

MemoryAccessException

getParkBlockerOwnerObject

public static JavaObject getParkBlockerOwnerObject(JavaObject blocker,
 JavaRuntime r)
                                            throws CorruptDataException,
MemoryAccessException

Throws:

CorruptDataException

MemoryAccessException

getThreadNameFromObject

public static String getThreadNameFromObject(JavaObject lockOwnerObj,
 JavaRuntime rt,
 PrintStream out)
                                      throws CorruptDataException,
MemoryAccessException

Throws:

CorruptDataException

MemoryAccessException