+++ /dev/null
-/* Attributes.java -- Reads, writes and manipulaties jar manifest files
- Copyright (C) 2000 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package java.util.jar;
-
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.PrintWriter;
-import java.io.Reader;
-import java.io.Writer;
-import java.util.Hashtable;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * Reads, writes and manipulaties jar manifest files.
- * XXX
- *
- * @since 1.2
- * @author Mark Wielaard (mark@klomp.org)
- */
-public class Manifest implements Cloneable
-{
- // Fields
-
- /** The main attributes of the manifest (jar file). */
- private final Attributes mainAttr;
-
- /** A map of atrributes for all entries described in this Manifest. */
- private final Map entries;
-
- // Constructors
-
- /**
- * Creates a new empty Manifest.
- */
- public Manifest()
- {
- mainAttr = new Attributes();
- entries = new Hashtable();
- }
-
- /**
- * Creates a Manifest from the supplied input stream.
- *
- * @see read(Inputstream)
- * @see write(OutputStream)
- *
- * @param InputStream the input stream to read the manifest from
- * @exception IOException when an i/o exception occurs or the input stream
- * does not describe a valid manifest
- */
- public Manifest(InputStream in) throws IOException
- {
- this();
- read(in);
- }
-
- /**
- * Creates a Manifest from another Manifest.
- * Makes a deep copy of the main attributes, but a shallow copy of
- * the other entries. This means that you can freely add, change or remove
- * the main attributes or the entries of the new manifest without effecting
- * the original manifest, but adding, changing or removing attributes from
- * a particular entry also changes the attributes of that entry in the
- * original manifest.
- *
- * @see clone()
- * @param man the Manifest to copy from
- */
- public Manifest(Manifest man)
- {
- mainAttr = new Attributes(man.getMainAttributes());
- entries = new Hashtable(man.getEntries());
- }
-
- // Methods
-
- /**
- * Gets the main attributes of this Manifest.
- */
- public Attributes getMainAttributes()
- {
- return mainAttr;
- }
-
- /**
- * Gets a map of entry Strings to Attributes for all the entries described
- * in this manifest. Adding, changing or removing from this entries map
- * changes the entries of this manifest.
- */
- public Map getEntries()
- {
- return entries;
- }
-
- /**
- * Returns the Attributes associated with the Entry.
- * <p>
- * Implemented as:
- * <code>return (Attributes)getEntries().get(entryName)</code>
- *
- * @param entryName the name of the entry to look up
- * @return the attributes associated with the entry or null when none
- */
- public Attributes getAttributes(String entryName)
- {
- return (Attributes) getEntries().get(entryName);
- }
-
- /**
- * Clears the main attributes and removes all the entries from the
- * manifest.
- */
- public void clear()
- {
- mainAttr.clear();
- entries.clear();
- }
-
- /**
- * XXX
- */
- public void read(InputStream in) throws IOException
- {
- BufferedReader br =
- new BufferedReader(new InputStreamReader(in, "8859_1"));
- read_main_section(getMainAttributes(), br);
- read_individual_sections(getEntries(), br);
- }
-
- // Private Static methods for reading the Manifest file from BufferedReader
-
- private static void read_main_section(Attributes attr,
- BufferedReader br) throws IOException
- {
- read_version_info(attr, br);
- read_attributes(attr, br);
- }
-
- private static void read_version_info(Attributes attr,
- BufferedReader br) throws IOException
- {
- String version_header = Attributes.Name.MANIFEST_VERSION.toString();
- try
- {
- String value = expect_header(version_header, br);
- attr.putValue(version_header, value);
- }
- catch (IOException ioe)
- {
- throw new JarException("Manifest should start with a " +
- version_header + ": " + ioe.getMessage());
- }
- }
-
- private static String expect_header(String header, BufferedReader br)
- throws IOException
- {
- String s = br.readLine();
- if (s == null)
- {
- throw new JarException("unexpected end of file");
- }
- return expect_header(header, br, s);
- }
-
- private static String expect_header(String header, BufferedReader br,
- String s) throws IOException
- {
- try
- {
- String name = s.substring(0, header.length() + 1);
- if (name.equalsIgnoreCase(header + ":"))
- {
- String value_start = s.substring(header.length() + 2);
- return read_header_value(value_start, br);
- }
- }
- catch (IndexOutOfBoundsException iobe)
- {
- }
- // If we arrive here, something went wrong
- throw new JarException("unexpected '" + s + "'");
- }
-
- private static String read_header_value(String s, BufferedReader br)
- throws IOException
- {
- boolean try_next = true;
- while (try_next)
- {
- // Lets see if there is something on the next line
- br.mark(1);
- if (br.read() == ' ')
- {
- s += br.readLine();
- }
- else
- {
- br.reset();
- try_next = false;
- }
- }
- return s;
- }
-
- private static void read_attributes(Attributes attr,
- BufferedReader br) throws IOException
- {
- String s = br.readLine();
- while (s != null && (!s.equals("")))
- {
- read_attribute(attr, s, br);
- s = br.readLine();
- }
- }
-
- private static void read_attribute(Attributes attr, String s,
- BufferedReader br) throws IOException
- {
- try
- {
- int colon = s.indexOf(": ");
- String name = s.substring(0, colon);
- String value_start = s.substring(colon + 2);
- String value = read_header_value(value_start, br);
- attr.putValue(name, value);
- }
- catch (IndexOutOfBoundsException iobe)
- {
- throw new JarException("Manifest contains a bad header: " + s);
- }
- }
-
- private static void read_individual_sections(Map entries,
- BufferedReader br) throws
- IOException
- {
- String s = br.readLine();
- while (s != null && (!s.equals("")))
- {
- Attributes attr = read_section_name(s, br, entries);
- read_attributes(attr, br);
- s = br.readLine();
- }
- }
-
- private static Attributes read_section_name(String s, BufferedReader br,
- Map entries) throws JarException
- {
- try
- {
- String name = expect_header("Name", br, s);
- Attributes attr = new Attributes();
- entries.put(name, attr);
- return attr;
- }
- catch (IOException ioe)
- {
- throw new JarException
- ("Section should start with a Name header: " + ioe.getMessage());
- }
- }
-
- /**
- * XXX
- */
- public void write(OutputStream out) throws IOException
- {
- PrintWriter pw =
- new PrintWriter(new
- BufferedWriter(new OutputStreamWriter(out, "8859_1")));
- write_main_section(getMainAttributes(), pw);
- pw.println();
- write_individual_sections(getEntries(), pw);
- if (pw.checkError())
- {
- throw new JarException("Error while writing manifest");
- }
- }
-
- // Private Static functions for writing the Manifest file to a PrintWriter
-
- private static void write_main_section(Attributes attr,
- PrintWriter pw) throws JarException
- {
- write_version_info(attr, pw);
- write_main_attributes(attr, pw);
- }
-
- private static void write_version_info(Attributes attr, PrintWriter pw)
- {
- // First check if there is already a version attribute set
- String version = attr.getValue(Attributes.Name.MANIFEST_VERSION);
- if (version == null)
- {
- version = "1.0";
- }
- write_header(Attributes.Name.MANIFEST_VERSION.toString(), version, pw);
- }
-
- private static void write_header(String name, String value, PrintWriter pw)
- {
- pw.print(name + ": ");
-
- int last = 68 - name.length();
- if (last > value.length())
- {
- pw.println(value);
- }
- else
- {
- pw.println(value.substring(0, last));
- }
- while (last < value.length())
- {
- pw.print(" ");
- int end = (last + 69);
- if (end > value.length())
- {
- pw.println(value.substring(last));
- }
- else
- {
- pw.println(value.substring(last, end));
- }
- last = end;
- }
- }
-
- private static void write_main_attributes(Attributes attr, PrintWriter pw)
- throws JarException
- {
- Iterator it = attr.entrySet().iterator();
- while (it.hasNext())
- {
- Map.Entry entry = (Map.Entry) it.next();
- // Don't print the manifest version again
- if (!Attributes.Name.MANIFEST_VERSION.equals(entry.getKey()))
- {
- write_attribute_entry(entry, pw);
- }
- }
- }
-
- private static void write_attribute_entry(Map.Entry entry, PrintWriter pw)
- throws JarException
- {
- String name = entry.getKey().toString();
- String value = entry.getValue().toString();
-
- if (name.equalsIgnoreCase("Name"))
- {
- throw new JarException("Attributes cannot be called 'Name'");
- }
- if (name.startsWith("From"))
- {
- throw new
- JarException("Header cannot start with the four letters 'From'" +
- name);
- }
- write_header(name, value, pw);
- }
-
- private static void write_individual_sections(Map entries, PrintWriter pw)
- throws JarException
- {
-
- Iterator it = entries.entrySet().iterator();
- while (it.hasNext())
- {
- Map.Entry entry = (Map.Entry) it.next();
- write_header("Name", entry.getKey().toString(), pw);
- write_entry_attributes((Attributes) entry.getValue(), pw);
- pw.println();
- }
- }
-
- private static void write_entry_attributes(Attributes attr, PrintWriter pw)
- throws JarException
- {
- Iterator it = attr.entrySet().iterator();
- while (it.hasNext())
- {
- Map.Entry entry = (Map.Entry) it.next();
- write_attribute_entry(entry, pw);
- }
- }
-
- /**
- * Makes a deep copy of the main attributes, but a shallow copy of
- * the other entries. This means that you can freely add, change or remove
- * the main attributes or the entries of the new manifest without effecting
- * the original manifest, but adding, changing or removing attributes from
- * a particular entry also changes the attributes of that entry in the
- * original manifest. Calls <CODE>new Manifest(this)</CODE>.
- */
- public Object clone()
- {
- return new Manifest(this);
- }
-
- /**
- * Checks if another object is equal to this Manifest object.
- * Another Object is equal to this Manifest object if it is an instance of
- * Manifest and the main attributes and the entries of the other manifest
- * are equal to this one.
- */
- public boolean equals(Object o)
- {
- return (o instanceof Manifest) &&
- (mainAttr.equals(((Manifest) o).mainAttr)) &&
- (entries.equals(((Manifest) o).entries));
- }
-
- /**
- * Calculates the hash code of the manifest. Implemented by a xor of the
- * hash code of the main attributes with the hash code of the entries map.
- */
- public int hashCode()
- {
- return mainAttr.hashCode() ^ entries.hashCode();
- }
-
-}
projects / msp430-gcc.git / blobdiff