Class ClassPath

java.lang.Object
org.apache.bcel.util.ClassPath
All Implemented Interfaces:
Closeable, AutoCloseable
public class ClassPath extends Object implements Closeable
Loads class files from the CLASSPATH. Inspired by sun.tools.ClassPath.

  • Field Details

  • Constructor Details

    • ClassPath

      @Deprecated public ClassPath()
      Deprecated.
      Use SYSTEM_CLASS_PATH constant
      Search for classes in CLASSPATH.

    • ClassPath

      public ClassPath(ClassPath parent, String classPathString)
      Constructs a ClassPath with a parent and class path string.
      Parameters:
      parent - the parent ClassPath.
      classPathString - the class path string.

    • ClassPath

      public ClassPath(String classPath)
      Search for classes in given path.
      Parameters:
      classPath - the class path string.

  • Method Details

    • getClassPath

      public static 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.

    • close

      public void close() throws IOException
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Throws:
      IOException

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object

    • getBytes

      public byte[] getBytes(String name) throws IOException
      Gets byte array for the given class.
      Parameters:
      name - fully qualified file name, for example java/lang/String.
      Returns:
      byte array for class.
      Throws:
      IOException - if an I/O error occurs.

    • getBytes

      public byte[] getBytes(String name, String suffix) throws IOException
      Gets byte array for the given file.
      Parameters:
      name - fully qualified file name, for example java/lang/String.
      suffix - file name ends with suffix, for example .java.
      Returns:
      byte array for file on class path.
      Throws:
      IOException - if an I/O error occurs.

    • getClassFile

      public ClassPath.ClassFile getClassFile(String name) throws IOException
      Gets the input stream for the given class.
      Parameters:
      name - fully qualified class name, for example String.
      Returns:
      input stream for class.
      Throws:
      IOException - if an I/O error occurs.

    • getClassFile

      public ClassPath.ClassFile getClassFile(String name, String suffix) throws IOException
      Gets the class file for the given Java class.
      Parameters:
      name - fully qualified file name, for example java/lang/String.
      suffix - file name ends with suffix, for example .java.
      Returns:
      class file for the Java class.
      Throws:
      IOException - if an I/O error occurs.

    • getInputStream

      public InputStream getInputStream(String name) throws IOException
      Gets an InputStream.

      The caller is responsible for closing the InputStream.

      Parameters:
      name - fully qualified class name, for example String.
      Returns:
      input stream for class.
      Throws:
      IOException - if an I/O error occurs.

    • getInputStream

      public InputStream getInputStream(String name, String suffix) throws 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, for example java/lang/String.
      suffix - file name ends with suff, for example .java.
      Returns:
      input stream for file on class path.
      Throws:
      IOException - if an I/O error occurs.

    • getPath

      public String getPath(String name) throws IOException
      Gets the full canonical path for the given file.
      Parameters:
      name - name of file to search for, for example java/lang/String.java.
      Returns:
      full (canonical) path for file.
      Throws:
      IOException - if an I/O error occurs.

    • getPath

      public String getPath(String name, String suffix) throws IOException
      Gets the full canonical path for the given file.
      Parameters:
      name - name of file to search for, for example java/lang/String.
      suffix - file name suffix, for example .java.
      Returns:
      full (canonical) path for file, if it exists.
      Throws:
      IOException - if an I/O error occurs.

    • getResource

      public URL getResource(String name)
      Gets the URL for the given resource.
      Parameters:
      name - fully qualified resource name, for example java/lang/String.class.
      Returns:
      URL supplying the resource, or null if no resource with that name.
      Since:
      6.0

    • getResourceAsStream

      public InputStream getResourceAsStream(String name)
      Gets the InputStream for the given resource.
      Parameters:
      name - fully qualified resource name, for example java/lang/String.class.
      Returns:
      InputStream supplying the resource, or null if no resource with that name.
      Since:
      6.0

    • getResources

      public Enumeration<URL> getResources(String name)
      Gets an Enumeration of URLs for the given resource.
      Parameters:
      name - fully qualified resource name, for example 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

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object
      Returns:
      used class path string.