jdk/src/java.desktop/share/classes/java/awt/datatransfer/MimeType.java
changeset 29037 8a11fed0d1a0
parent 28961 868dc757eab6
parent 29036 63d5aec20b48
child 29038 c2058b635c17
--- a/jdk/src/java.desktop/share/classes/java/awt/datatransfer/MimeType.java	Thu Feb 19 11:24:03 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,394 +0,0 @@
-/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package java.awt.datatransfer;
-
-import java.io.Externalizable;
-import java.io.ObjectOutput;
-import java.io.ObjectInput;
-import java.io.IOException;
-import java.util.Enumeration;
-import java.util.Locale;
-
-
-/**
- * A Multipurpose Internet Mail Extension (MIME) type, as defined
- * in RFC 2045 and 2046.
- *
- * THIS IS *NOT* - REPEAT *NOT* - A PUBLIC CLASS! DataFlavor IS
- * THE PUBLIC INTERFACE, AND THIS IS PROVIDED AS A ***PRIVATE***
- * (THAT IS AS IN *NOT* PUBLIC) HELPER CLASS!
- */
-class MimeType implements Externalizable, Cloneable {
-
-    /*
-     * serialization support
-     */
-
-    static final long serialVersionUID = -6568722458793895906L;
-
-    /**
-     * Constructor for externalization; this constructor should not be
-     * called directly by an application, since the result will be an
-     * uninitialized, immutable <code>MimeType</code> object.
-     */
-    public MimeType() {
-    }
-
-    /**
-     * Builds a <code>MimeType</code> from a <code>String</code>.
-     *
-     * @param rawdata text used to initialize the <code>MimeType</code>
-     * @throws NullPointerException if <code>rawdata</code> is null
-     */
-    public MimeType(String rawdata) throws MimeTypeParseException {
-        parse(rawdata);
-    }
-
-    /**
-     * Builds a <code>MimeType</code> with the given primary and sub
-     * type but has an empty parameter list.
-     *
-     * @param primary the primary type of this <code>MimeType</code>
-     * @param sub the subtype of this <code>MimeType</code>
-     * @throws NullPointerException if either <code>primary</code> or
-     *         <code>sub</code> is null
-     */
-    public MimeType(String primary, String sub) throws MimeTypeParseException {
-        this(primary, sub, new MimeTypeParameterList());
-    }
-
-    /**
-     * Builds a <code>MimeType</code> with a pre-defined
-     * and valid (or empty) parameter list.
-     *
-     * @param primary the primary type of this <code>MimeType</code>
-     * @param sub the subtype of this <code>MimeType</code>
-     * @param mtpl the requested parameter list
-     * @throws NullPointerException if either <code>primary</code>,
-     *         <code>sub</code> or <code>mtpl</code> is null
-     */
-    public MimeType(String primary, String sub, MimeTypeParameterList mtpl) throws
-MimeTypeParseException {
-        //    check to see if primary is valid
-        if(isValidToken(primary)) {
-            primaryType = primary.toLowerCase(Locale.ENGLISH);
-        } else {
-            throw new MimeTypeParseException("Primary type is invalid.");
-        }
-
-        //    check to see if sub is valid
-        if(isValidToken(sub)) {
-            subType = sub.toLowerCase(Locale.ENGLISH);
-        } else {
-            throw new MimeTypeParseException("Sub type is invalid.");
-        }
-
-        parameters = (MimeTypeParameterList)mtpl.clone();
-    }
-
-    public int hashCode() {
-
-        // We sum up the hash codes for all of the strings. This
-        // way, the order of the strings is irrelevant
-        int code = 0;
-        code += primaryType.hashCode();
-        code += subType.hashCode();
-        code += parameters.hashCode();
-        return code;
-    } // hashCode()
-
-    /**
-     * <code>MimeType</code>s are equal if their primary types,
-     * subtypes, and  parameters are all equal. No default values
-     * are taken into account.
-     * @param thatObject the object to be evaluated as a
-     *    <code>MimeType</code>
-     * @return <code>true</code> if <code>thatObject</code> is
-     *    a <code>MimeType</code>; otherwise returns <code>false</code>
-     */
-    public boolean equals(Object thatObject) {
-        if (!(thatObject instanceof MimeType)) {
-            return false;
-        }
-        MimeType that = (MimeType)thatObject;
-        boolean isIt =
-            ((this.primaryType.equals(that.primaryType)) &&
-             (this.subType.equals(that.subType)) &&
-             (this.parameters.equals(that.parameters)));
-        return isIt;
-    } // equals()
-
-    /**
-     * A routine for parsing the MIME type out of a String.
-     *
-     * @throws NullPointerException if <code>rawdata</code> is null
-     */
-    private void parse(String rawdata) throws MimeTypeParseException {
-        int slashIndex = rawdata.indexOf('/');
-        int semIndex = rawdata.indexOf(';');
-        if((slashIndex < 0) && (semIndex < 0)) {
-            //    neither character is present, so treat it
-            //    as an error
-            throw new MimeTypeParseException("Unable to find a sub type.");
-        } else if((slashIndex < 0) && (semIndex >= 0)) {
-            //    we have a ';' (and therefore a parameter list),
-            //    but no '/' indicating a sub type is present
-            throw new MimeTypeParseException("Unable to find a sub type.");
-        } else if((slashIndex >= 0) && (semIndex < 0)) {
-            //    we have a primary and sub type but no parameter list
-            primaryType = rawdata.substring(0,slashIndex).
-                trim().toLowerCase(Locale.ENGLISH);
-            subType = rawdata.substring(slashIndex + 1).
-                trim().toLowerCase(Locale.ENGLISH);
-            parameters = new MimeTypeParameterList();
-        } else if (slashIndex < semIndex) {
-            //    we have all three items in the proper sequence
-            primaryType = rawdata.substring(0, slashIndex).
-                trim().toLowerCase(Locale.ENGLISH);
-            subType = rawdata.substring(slashIndex + 1,
-                semIndex).trim().toLowerCase(Locale.ENGLISH);
-            parameters = new
-MimeTypeParameterList(rawdata.substring(semIndex));
-        } else {
-            //    we have a ';' lexically before a '/' which means we have a primary type
-            //    & a parameter list but no sub type
-            throw new MimeTypeParseException("Unable to find a sub type.");
-        }
-
-        //    now validate the primary and sub types
-
-        //    check to see if primary is valid
-        if(!isValidToken(primaryType)) {
-            throw new MimeTypeParseException("Primary type is invalid.");
-        }
-
-        //    check to see if sub is valid
-        if(!isValidToken(subType)) {
-            throw new MimeTypeParseException("Sub type is invalid.");
-        }
-    }
-
-    /**
-     * Retrieve the primary type of this object.
-     */
-    public String getPrimaryType() {
-        return primaryType;
-    }
-
-    /**
-     * Retrieve the sub type of this object.
-     */
-    public String getSubType() {
-        return subType;
-    }
-
-    /**
-     * Retrieve a copy of this object's parameter list.
-     */
-    public MimeTypeParameterList getParameters() {
-        return (MimeTypeParameterList)parameters.clone();
-    }
-
-    /**
-     * Retrieve the value associated with the given name, or null if there
-     * is no current association.
-     */
-    public String getParameter(String name) {
-        return parameters.get(name);
-    }
-
-    /**
-     * Set the value to be associated with the given name, replacing
-     * any previous association.
-     *
-     * @throw IllegalArgumentException if parameter or value is illegal
-     */
-    public void setParameter(String name, String value) {
-        parameters.set(name, value);
-    }
-
-    /**
-     * Remove any value associated with the given name.
-     *
-     * @throw IllegalArgumentException if parameter may not be deleted
-     */
-    public void removeParameter(String name) {
-        parameters.remove(name);
-    }
-
-    /**
-     * Return the String representation of this object.
-     */
-    public String toString() {
-        return getBaseType() + parameters.toString();
-    }
-
-    /**
-     * Return a String representation of this object
-     * without the parameter list.
-     */
-    public String getBaseType() {
-        return primaryType + "/" + subType;
-    }
-
-    /**
-     * Returns <code>true</code> if the primary type and the
-     * subtype of this object are the same as the specified
-     * <code>type</code>; otherwise returns <code>false</code>.
-     *
-     * @param type the type to compare to <code>this</code>'s type
-     * @return <code>true</code> if the primary type and the
-     *    subtype of this object are the same as the
-     *    specified <code>type</code>; otherwise returns
-     *    <code>false</code>
-     */
-    public boolean match(MimeType type) {
-        if (type == null)
-            return false;
-        return primaryType.equals(type.getPrimaryType())
-                    && (subType.equals("*")
-                            || type.getSubType().equals("*")
-                            || (subType.equals(type.getSubType())));
-    }
-
-    /**
-     * Returns <code>true</code> if the primary type and the
-     * subtype of this object are the same as the content type
-     * described in <code>rawdata</code>; otherwise returns
-     * <code>false</code>.
-     *
-     * @param rawdata the raw data to be examined
-     * @return <code>true</code> if the primary type and the
-     *    subtype of this object are the same as the content type
-     *    described in <code>rawdata</code>; otherwise returns
-     *    <code>false</code>; if <code>rawdata</code> is
-     *    <code>null</code>, returns <code>false</code>
-     */
-    public boolean match(String rawdata) throws MimeTypeParseException {
-        if (rawdata == null)
-            return false;
-        return match(new MimeType(rawdata));
-    }
-
-    /**
-     * The object implements the writeExternal method to save its contents
-     * by calling the methods of DataOutput for its primitive values or
-     * calling the writeObject method of ObjectOutput for objects, strings
-     * and arrays.
-     * @exception IOException Includes any I/O exceptions that may occur
-     */
-    public void writeExternal(ObjectOutput out) throws IOException {
-        String s = toString(); // contains ASCII chars only
-        // one-to-one correspondence between ASCII char and byte in UTF string
-        if (s.length() <= 65535) { // 65535 is max length of UTF string
-            out.writeUTF(s);
-        } else {
-            out.writeByte(0);
-            out.writeByte(0);
-            out.writeInt(s.length());
-            out.write(s.getBytes());
-        }
-    }
-
-    /**
-     * The object implements the readExternal method to restore its
-     * contents by calling the methods of DataInput for primitive
-     * types and readObject for objects, strings and arrays.  The
-     * readExternal method must read the values in the same sequence
-     * and with the same types as were written by writeExternal.
-     * @exception ClassNotFoundException If the class for an object being
-     *              restored cannot be found.
-     */
-    public void readExternal(ObjectInput in) throws IOException,
-ClassNotFoundException {
-        String s = in.readUTF();
-        if (s == null || s.length() == 0) { // long mime type
-            byte[] ba = new byte[in.readInt()];
-            in.readFully(ba);
-            s = new String(ba);
-        }
-        try {
-            parse(s);
-        } catch(MimeTypeParseException e) {
-            throw new IOException(e.toString());
-        }
-    }
-
-    /**
-     * Returns a clone of this object.
-     * @return a clone of this object
-     */
-
-    public Object clone() {
-        MimeType newObj = null;
-        try {
-            newObj = (MimeType)super.clone();
-        } catch (CloneNotSupportedException cannotHappen) {
-        }
-        newObj.parameters = (MimeTypeParameterList)parameters.clone();
-        return newObj;
-    }
-
-    private String    primaryType;
-    private String    subType;
-    private MimeTypeParameterList parameters;
-
-    //    below here be scary parsing related things
-
-    /**
-     * Determines whether or not a given character belongs to a legal token.
-     */
-    private static boolean isTokenChar(char c) {
-        return ((c > 040) && (c < 0177)) && (TSPECIALS.indexOf(c) < 0);
-    }
-
-    /**
-     * Determines whether or not a given string is a legal token.
-     *
-     * @throws NullPointerException if <code>s</code> is null
-     */
-    private boolean isValidToken(String s) {
-        int len = s.length();
-        if(len > 0) {
-            for (int i = 0; i < len; ++i) {
-                char c = s.charAt(i);
-                if (!isTokenChar(c)) {
-                    return false;
-                }
-            }
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    /**
-     * A string that holds all the special chars.
-     */
-
-    private static final String TSPECIALS = "()<>@,;:\\\"/[]?=";
-
-} // class MimeType