Package org.apache.bcel.util
Class ClassPath
- java.lang.Object
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- org.apache.bcel.util.ClassPath
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
public class ClassPath extends java.lang.Object implements java.io.Closeable
Loads class files from the CLASSPATH. Inspired by sun.tools.ClassPath.
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Nested Class Summary
Nested Classes Modifier and Type Class Description private static class
ClassPath.AbstractPathEntry
private static class
ClassPath.AbstractZip
static interface
ClassPath.ClassFile
Contains information about file/ZIP entry of the Java class.private static class
ClassPath.Dir
private static class
ClassPath.Jar
private static class
ClassPath.JrtModule
private static class
ClassPath.JrtModules
private static class
ClassPath.Module
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Field Summary
Fields Modifier and Type Field Description private static java.io.FilenameFilter
ARCHIVE_FILTER
private java.lang.String
classPathString
private static java.io.FilenameFilter
MODULES_FILTER
private ClassPath
parent
private java.util.List<ClassPath.AbstractPathEntry>
paths
static ClassPath
SYSTEM_CLASS_PATH
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private static void
addJdkModules(java.lang.String javaHome, java.util.List<java.lang.String> list)
void
close()
boolean
equals(java.lang.Object obj)
byte[]
getBytes(java.lang.String name)
byte[]
getBytes(java.lang.String name, java.lang.String suffix)
ClassPath.ClassFile
getClassFile(java.lang.String name)
ClassPath.ClassFile
getClassFile(java.lang.String name, java.lang.String suffix)
private ClassPath.ClassFile
getClassFileInternal(java.lang.String name, java.lang.String suffix)
static java.lang.String
getClassPath()
Checks for class path components in the following properties: "java.class.path", "sun.boot.class.path", "java.ext.dirs"java.io.InputStream
getInputStream(java.lang.String name)
Gets an InputStream.java.io.InputStream
getInputStream(java.lang.String name, java.lang.String suffix)
Gets an InputStream for a class or resource on the classpath.java.lang.String
getPath(java.lang.String name)
java.lang.String
getPath(java.lang.String name, java.lang.String suffix)
private static void
getPathComponents(java.lang.String path, java.util.List<java.lang.String> list)
java.net.URL
getResource(java.lang.String name)
java.io.InputStream
getResourceAsStream(java.lang.String name)
java.util.Enumeration<java.net.URL>
getResources(java.lang.String name)
int
hashCode()
java.lang.String
toString()
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Field Detail
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ARCHIVE_FILTER
private static final java.io.FilenameFilter ARCHIVE_FILTER
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MODULES_FILTER
private static final java.io.FilenameFilter MODULES_FILTER
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SYSTEM_CLASS_PATH
public static final ClassPath SYSTEM_CLASS_PATH
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classPathString
private final java.lang.String classPathString
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parent
private final ClassPath parent
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paths
private final java.util.List<ClassPath.AbstractPathEntry> paths
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Constructor Detail
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ClassPath
@Deprecated public ClassPath()
Deprecated.Use SYSTEM_CLASS_PATH constantSearch for classes in CLASSPATH.
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ClassPath
public ClassPath(ClassPath parent, java.lang.String classPathString)
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ClassPath
public ClassPath(java.lang.String classPath)
Search for classes in given path.- Parameters:
classPath
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Method Detail
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addJdkModules
private static void addJdkModules(java.lang.String javaHome, java.util.List<java.lang.String> list)
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getClassPath
public static java.lang.String getClassPath()
Checks for class path components in the following properties: "java.class.path", "sun.boot.class.path", "java.ext.dirs"- Returns:
- class path as used by default by BCEL
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getPathComponents
private static void getPathComponents(java.lang.String path, java.util.List<java.lang.String> list)
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close
public void close() throws java.io.IOException
- Specified by:
close
in interfacejava.lang.AutoCloseable
- Specified by:
close
in interfacejava.io.Closeable
- Throws:
java.io.IOException
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equals
public boolean equals(java.lang.Object obj)
- Overrides:
equals
in classjava.lang.Object
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getBytes
public byte[] getBytes(java.lang.String name) throws java.io.IOException
- Parameters:
name
- fully qualified file name, e.g. java/lang/String- Returns:
- byte array for class
- Throws:
java.io.IOException
- if an I/O error occurs.
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getBytes
public byte[] getBytes(java.lang.String name, java.lang.String suffix) throws java.io.IOException
- Parameters:
name
- fully qualified file name, e.g. java/lang/Stringsuffix
- file name ends with suffix, e.g. .java- Returns:
- byte array for file on class path
- Throws:
java.io.IOException
- if an I/O error occurs.
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getClassFile
public ClassPath.ClassFile getClassFile(java.lang.String name) throws java.io.IOException
- Parameters:
name
- fully qualified class name, e.g. java.lang.String- Returns:
- input stream for class
- Throws:
java.io.IOException
- if an I/O error occurs.
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getClassFile
public ClassPath.ClassFile getClassFile(java.lang.String name, java.lang.String suffix) throws java.io.IOException
- Parameters:
name
- fully qualified file name, e.g. java/lang/Stringsuffix
- file name ends with suff, e.g. .java- Returns:
- class file for the Java class
- Throws:
java.io.IOException
- if an I/O error occurs.
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getClassFileInternal
private ClassPath.ClassFile getClassFileInternal(java.lang.String name, java.lang.String suffix)
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getInputStream
public java.io.InputStream getInputStream(java.lang.String name) throws java.io.IOException
Gets an InputStream.The caller is responsible for closing the InputStream.
- Parameters:
name
- fully qualified class name, e.g. java.lang.String- Returns:
- input stream for class
- Throws:
java.io.IOException
- if an I/O error occurs.
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getInputStream
public java.io.InputStream getInputStream(java.lang.String name, java.lang.String suffix) throws java.io.IOException
Gets an InputStream for a class or resource on the classpath.The caller is responsible for closing the InputStream.
- Parameters:
name
- fully qualified file name, e.g. java/lang/Stringsuffix
- file name ends with suff, e.g. .java- Returns:
- input stream for file on class path
- Throws:
java.io.IOException
- if an I/O error occurs.
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getPath
public java.lang.String getPath(java.lang.String name) throws java.io.IOException
- Parameters:
name
- name of file to search for, e.g. java/lang/String.java- Returns:
- full (canonical) path for file
- Throws:
java.io.IOException
- if an I/O error occurs.
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getPath
public java.lang.String getPath(java.lang.String name, java.lang.String suffix) throws java.io.IOException
- Parameters:
name
- name of file to search for, e.g. java/lang/Stringsuffix
- file name suffix, e.g. .java- Returns:
- full (canonical) path for file, if it exists
- Throws:
java.io.IOException
- if an I/O error occurs.
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getResource
public java.net.URL getResource(java.lang.String name)
- Parameters:
name
- fully qualified resource name, e.g. java/lang/String.class- Returns:
- URL supplying the resource, or null if no resource with that name.
- Since:
- 6.0
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getResourceAsStream
public java.io.InputStream getResourceAsStream(java.lang.String name)
- Parameters:
name
- fully qualified resource name, e.g. java/lang/String.class- Returns:
- InputStream supplying the resource, or null if no resource with that name.
- Since:
- 6.0
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getResources
public java.util.Enumeration<java.net.URL> getResources(java.lang.String name)
- Parameters:
name
- fully qualified resource name, e.g. java/lang/String.class- Returns:
- An Enumeration of URLs supplying the resource, or an empty Enumeration if no resource with that name.
- Since:
- 6.0
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
- Returns:
- used class path string
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