org.eclipse.jdt.internal.compiler.classfmt
类 ClassFileReader

java.lang.Object
  org.eclipse.jdt.internal.compiler.classfmt.ClassFileStruct
      org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader

所有已实现的接口：

IBinaryType, IDependent, IGenericType

public class ClassFileReader
extends ClassFileStruct
implements IBinaryType

字段摘要

从接口 org.eclipse.jdt.internal.compiler.env.IBinaryType 继承的字段

NoField, NoInterface, NoMethod, NoNestedType

从接口 org.eclipse.jdt.internal.compiler.env.IDependent 继承的字段

JAR_FILE_ENTRY_SEPARATOR

构造方法摘要

ClassFileReader(byte[] classFileBytes, char[] fileName)

ClassFileReader(byte[] classFileBytes, char[] fileName, boolean fullyInitialize)

方法摘要

int	accessFlags() Answer the receiver's access flags.
IBinaryAnnotation[]	getAnnotations() Answer the runtime visible and invisible annotations for this type or null if none.
int[]	getConstantPoolOffsets() Answer the int array that corresponds to all the offsets of each entry in the constant pool
char[]	getEnclosingMethod() Answer the enclosing method (including method selector and method descriptor), or null if none.
char[]	getEnclosingTypeName() Answer the resolved name of the enclosing type in the class file format as specified in section 4.2 of the Java 2 VM spec or null if the receiver is a top level type.
IBinaryField[]	getFields() Answer the receiver's this.fields or null if the array is empty.
char[]	getFileName() Answer the file name which defines the type.
char[]	getGenericSignature() Answer the receiver's signature which describes the parameter & return types as specified in section 4.4.4 of the Java 2 VM spec 3rd edition.
char[]	getInnerSourceName() Answer the source name if the receiver is a inner type.
char[][]	getInterfaceNames() Answer the resolved names of the receiver's interfaces in the class file format as specified in section 4.2 of the Java 2 VM spec or null if the array is empty.
IBinaryNestedType[]	getMemberTypes() Answer the receiver's nested types or null if the array is empty.
IBinaryMethod[]	getMethods() Answer the receiver's this.methods or null if the array is empty.
char[][][]	getMissingTypeNames() Answer the list of missing type names which were referenced from the problem classfile.
int	getModifiers() Answer an int whose bits are set according the access constants defined by the VM spec.
char[]	getName() Answer the resolved name of the type in the class file format as specified in section 4.2 of the Java 2 VM spec.
char[]	getSourceName() Answer the simple name of the type in the class file.
char[]	getSuperclassName() Answer the resolved name of the receiver's superclass in the class file format as specified in section 4.2 of the Java 2 VM spec or null if it does not have one.
long	getTagBits() Answer the tagbits set according to the bits for annotations.
long	getVersion() Answer the major/minor version defined in this class file according to the VM spec.
boolean	hasStructuralChanges(byte[] newBytes) Check if the receiver has structural changes compare to the byte array in argument.
boolean	hasStructuralChanges(byte[] newBytes, boolean orderRequired, boolean excludesSynthetic) Check if the receiver has structural changes compare to the byte array in argument.
boolean	isAnonymous() Answer true if the receiver is an anonymous type, false otherwise
boolean	isBinaryType() Answer whether the receiver contains the resolved binary form or the unresolved source form of the type.
boolean	isLocal() Answer true if the receiver is a local type, false otherwise
boolean	isMember() Answer true if the receiver is a member type, false otherwise
boolean	isNestedType() Answer true if the receiver is a nested type, false otherwise
static ClassFileReader	read(File file)
static ClassFileReader	read(File file, boolean fullyInitialize)
static ClassFileReader	read(InputStream stream, String fileName)
static ClassFileReader	read(InputStream stream, String fileName, boolean fullyInitialize)
static ClassFileReader	read(String fileName)
static ClassFileReader	read(String fileName, boolean fullyInitialize)
static ClassFileReader	read(ZipFile zip, String filename)
static ClassFileReader	read(ZipFile zip, String filename, boolean fullyInitialize)
char[]	sourceFileName() Answer the source file name attribute.
String	toString()

从类 org.eclipse.jdt.internal.compiler.classfmt.ClassFileStruct 继承的方法

doubleAt, floatAt, i4At, i8At, reset, u1At, u2At, u4At, utf8At

从类 java.lang.Object 继承的方法

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

构造方法详细信息

ClassFileReader

public ClassFileReader(byte[] classFileBytes,
                       char[] fileName)
                throws ClassFormatException

参数：

classFileBytes - Actual bytes of a .class file

fileName - Actual name of the file that contains the bytes, can be null

抛出：

ClassFormatException

ClassFileReader

public ClassFileReader(byte[] classFileBytes,
                       char[] fileName,
                       boolean fullyInitialize)
                throws ClassFormatException

参数：

classFileBytes - byte[] Actual bytes of a .class file

fileName - char[] Actual name of the file that contains the bytes, can be null

fullyInitialize - boolean Flag to fully initialize the new object

抛出：

ClassFormatException

方法详细信息

read

public static ClassFileReader read(File file)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

read

public static ClassFileReader read(File file,
                                   boolean fullyInitialize)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

read

public static ClassFileReader read(InputStream stream,
                                   String fileName)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

read

public static ClassFileReader read(InputStream stream,
                                   String fileName,
                                   boolean fullyInitialize)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

read

public static ClassFileReader read(ZipFile zip,
                                   String filename)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

read

public static ClassFileReader read(ZipFile zip,
                                   String filename,
                                   boolean fullyInitialize)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

read

public static ClassFileReader read(String fileName)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

read

public static ClassFileReader read(String fileName,
                                   boolean fullyInitialize)
                            throws ClassFormatException,
                                   IOException

抛出：

ClassFormatException

IOException

accessFlags

public int accessFlags()

Answer the receiver's access flags. The value of the access_flags item is a mask of modifiers used with class and interface declarations.

返回：

int

getAnnotations

public IBinaryAnnotation[] getAnnotations()

从接口 IBinaryType 复制的描述

Answer the runtime visible and invisible annotations for this type or null if none.

指定者：

接口 IBinaryType 中的 getAnnotations

返回：

the annotations or null if there is none.

getConstantPoolOffsets

public int[] getConstantPoolOffsets()

Answer the int array that corresponds to all the offsets of each entry in the constant pool

返回：

int[]

getEnclosingMethod

public char[] getEnclosingMethod()

从接口 IBinaryType 复制的描述

Answer the enclosing method (including method selector and method descriptor), or null if none. For example, "foo()Ljava/lang/Object;V"

指定者：

接口 IBinaryType 中的 getEnclosingMethod

getEnclosingTypeName

public char[] getEnclosingTypeName()

从接口 IBinaryType 复制的描述

Answer the resolved name of the enclosing type in the class file format as specified in section 4.2 of the Java 2 VM spec or null if the receiver is a top level type. For example, java.lang.String is java/lang/String.

指定者：

接口 IBinaryType 中的 getEnclosingTypeName

getFields

public IBinaryField[] getFields()

Answer the receiver's this.fields or null if the array is empty.

指定者：

接口 IBinaryType 中的 getFields

返回：

org.eclipse.jdt.internal.compiler.api.IBinaryField[]

getFileName

public char[] getFileName()

从接口 IDependent 复制的描述

Answer the file name which defines the type. The path part (optional) must be separated from the actual file proper name by a separator suitable for the type (java.io.File.separator for example), e.g. "c:\\source\\com\\p\\X.java" or "/com/p/Y.java". The path to the zip or jar file (optional) must be separated from the actual path part by JAR_FILE_ENTRY_SEPARATOR, e.g. "c:\\lib\\some.jar|/com/p/X.class" or "/lib/some.zip|/com/q/Y.class". The proper file name includes the suffix extension (e.g. ".java") e.g. "c:/org/eclipse/jdt/internal/compileri/env/IDependent.java" Return null if no file defines the type.

指定者：

接口 IDependent 中的 getFileName

另请参见：

IDependent.getFileName()

getGenericSignature

public char[] getGenericSignature()

从接口 IBinaryType 复制的描述

Answer the receiver's signature which describes the parameter & return types as specified in section 4.4.4 of the Java 2 VM spec 3rd edition. Returns null if none.

指定者：

接口 IBinaryType 中的 getGenericSignature

返回：

the receiver's signature, null if none

getInnerSourceName

public char[] getInnerSourceName()

Answer the source name if the receiver is a inner type. Return null if it is an anonymous class or if the receiver is a top-level class. e.g. public class A { public class B { } public void foo() { class C {} } public Runnable bar() { return new Runnable() { public void run() {} }; } } It returns {'B'} for the member A$B It returns null for A It returns {'C'} for the local class A$1$C It returns null for the anonymous A$1

返回：

char[]

getInterfaceNames

public char[][] getInterfaceNames()

Answer the resolved names of the receiver's interfaces in the class file format as specified in section 4.2 of the Java 2 VM spec or null if the array is empty. For example, java.lang.String is java/lang/String.

指定者：

接口 IBinaryType 中的 getInterfaceNames

返回：

char[][]

getMemberTypes

public IBinaryNestedType[] getMemberTypes()

Answer the receiver's nested types or null if the array is empty. This nested type info is extracted from the inner class attributes. Ask the name environment to find a member type using its compound name

指定者：

接口 IBinaryType 中的 getMemberTypes

返回：

org.eclipse.jdt.internal.compiler.api.IBinaryNestedType[]

getMethods

public IBinaryMethod[] getMethods()

Answer the receiver's this.methods or null if the array is empty.

指定者：

接口 IBinaryType 中的 getMethods

返回：

org.eclipse.jdt.internal.compiler.api.env.IBinaryMethod[]

getMissingTypeNames

public char[][][] getMissingTypeNames()

从接口 IBinaryType 复制的描述

Answer the list of missing type names which were referenced from the problem classfile. This list is encoded via an extra attribute.

指定者：

接口 IBinaryType 中的 getMissingTypeNames

getModifiers

public int getModifiers()

Answer an int whose bits are set according the access constants defined by the VM spec. Set the AccDeprecated and AccSynthetic bits if necessary

指定者：

接口 IGenericType 中的 getModifiers

返回：

int

getName

public char[] getName()

Answer the resolved name of the type in the class file format as specified in section 4.2 of the Java 2 VM spec. For example, java.lang.String is java/lang/String.

指定者：

接口 IBinaryType 中的 getName

返回：

char[]

getSourceName

public char[] getSourceName()

从接口 IBinaryType 复制的描述

Answer the simple name of the type in the class file. For member A$B, will answer B. For anonymous will answer null.

指定者：

接口 IBinaryType 中的 getSourceName

getSuperclassName

public char[] getSuperclassName()

Answer the resolved name of the receiver's superclass in the class file format as specified in section 4.2 of the Java 2 VM spec or null if it does not have one. For example, java.lang.String is java/lang/String.

指定者：

接口 IBinaryType 中的 getSuperclassName

返回：

char[]

getTagBits

public long getTagBits()

从接口 IBinaryType 复制的描述

Answer the tagbits set according to the bits for annotations.

指定者：

接口 IBinaryType 中的 getTagBits

getVersion

public long getVersion()

Answer the major/minor version defined in this class file according to the VM spec. as a long: (major<<16)+minor

返回：

the major/minor version found

hasStructuralChanges

public boolean hasStructuralChanges(byte[] newBytes)

Check if the receiver has structural changes compare to the byte array in argument. Structural changes are: - modifiers changes for the class, the this.fields or the this.methods - signature changes for this.fields or this.methods. - changes in the number of this.fields or this.methods - changes for field constants - changes for thrown exceptions - change for the super class or any super interfaces. - changes for member types name or modifiers If any of these changes occurs, the method returns true. false otherwise. The synthetic fields are included and the members are not required to be sorted.

参数：

newBytes - the bytes of the .class file we want to compare the receiver to

返回：

boolean Returns true is there is a structural change between the two .class files, false otherwise

hasStructuralChanges

public boolean hasStructuralChanges(byte[] newBytes,
                                    boolean orderRequired,
                                    boolean excludesSynthetic)

Check if the receiver has structural changes compare to the byte array in argument. Structural changes are: - modifiers changes for the class, the this.fields or the this.methods - signature changes for this.fields or this.methods. - changes in the number of this.fields or this.methods - changes for field constants - changes for thrown exceptions - change for the super class or any super interfaces. - changes for member types name or modifiers If any of these changes occurs, the method returns true. false otherwise.

参数：

newBytes - the bytes of the .class file we want to compare the receiver to

orderRequired - a boolean indicating whether the members should be sorted or not

excludesSynthetic - a boolean indicating whether the synthetic members should be used in the comparison

返回：

boolean Returns true is there is a structural change between the two .class files, false otherwise

isAnonymous

public boolean isAnonymous()

Answer true if the receiver is an anonymous type, false otherwise

指定者：

接口 IBinaryType 中的 isAnonymous

返回：

boolean

isBinaryType

public boolean isBinaryType()

Answer whether the receiver contains the resolved binary form or the unresolved source form of the type.

指定者：

接口 IGenericType 中的 isBinaryType

返回：

boolean

isLocal

public boolean isLocal()

Answer true if the receiver is a local type, false otherwise

指定者：

接口 IBinaryType 中的 isLocal

返回：

boolean

isMember

public boolean isMember()

Answer true if the receiver is a member type, false otherwise

指定者：

接口 IBinaryType 中的 isMember

返回：

boolean

isNestedType

public boolean isNestedType()

Answer true if the receiver is a nested type, false otherwise

返回：

boolean

sourceFileName

public char[] sourceFileName()

Answer the source file name attribute. Return null if there is no source file attribute for the receiver.

指定者：

接口 IBinaryType 中的 sourceFileName

返回：

char[]

toString

public String toString()

覆盖：

类 Object 中的 toString