/*
* Copyright (c) 2003, 2008, 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 sun.print;
import java.io.ByteArrayInputStream;
public class AttributeClass {
private String myName;
private int myType;
private int nameLen;
private Object myValue;
public static final int TAG_UNSUPPORTED_VALUE = 0x10;
public static final int TAG_INT = 0x21;
public static final int TAG_BOOL = 0x22;
public static final int TAG_ENUM = 0x23;
public static final int TAG_OCTET = 0x30;
public static final int TAG_DATE = 0x31;
public static final int TAG_RESOLUTION = 0x32;
public static final int TAG_RANGE_INTEGER = 0x33;
public static final int TAG_TEXT_LANGUAGE = 0x35;
public static final int TAG_NAME_LANGUAGE = 0x36;
public static final int TAG_TEXT_WO_LANGUAGE = 0x41;
public static final int TAG_NAME_WO_LANGUAGE = 0x42;
public static final int TAG_KEYWORD = 0x44;
public static final int TAG_URI = 0x45;
public static final int TAG_CHARSET = 0x47;
public static final int TAG_NATURALLANGUAGE = 0x48;
public static final int TAG_MIME_MEDIATYPE = 0x49;
public static final int TAG_MEMBER_ATTRNAME = 0x4A;
public static final AttributeClass ATTRIBUTES_CHARSET =
new AttributeClass("attributes-charset",
TAG_CHARSET, "utf-8");
public static final AttributeClass ATTRIBUTES_NATURAL_LANGUAGE =
new AttributeClass("attributes-natural-language",
TAG_NATURALLANGUAGE, "en");
/*
* value passed in by IPPPrintService.readIPPResponse is a sequence
* of bytes with this format
* | length1 | byte1 | byte 2 | ... byten | length2 | byte1 ... byten |
* :
* | lengthN | byte1 ... byten | total number of values|
*/
protected AttributeClass(String name, int type, Object value) {
myName = name;
myType = type;
nameLen = name.length();
myValue = value;
}
public byte getType() {
return (byte)myType;
}
public char[] getLenChars() {
char[] chars = new char[2];
chars[0] = 0;
chars[1] = (char)nameLen;
return chars;
}
/**
* Returns raw data.
*/
public Object getObjectValue() {
return myValue;
}
/**
* Returns single int value.
*/
public int getIntValue() {
byte[] bufArray = (byte[])myValue;
if (bufArray != null) {
byte[] buf = new byte[4];
for (int i=0; i<4; i++) {
buf[i] = bufArray[i+1];
}
return convertToInt(buf);
}
return 0;
}
/**
* Returns array of int values.
*/
public int[] getArrayOfIntValues() {
byte[] bufArray = (byte[])myValue;
if (bufArray != null) {
//ArrayList valList = new ArrayList();
ByteArrayInputStream bufStream =
new ByteArrayInputStream(bufArray);
int available = bufStream.available();
// total number of values is at the end of the stream
bufStream.mark(available);
bufStream.skip(available-1);
int length = bufStream.read();
bufStream.reset();
int[] valueArray = new int[length];
for (int i = 0; i < length; i++) {
// read length
int valLength = bufStream.read();
if (valLength != 4) {
// invalid data
return null;
}
byte[] bufBytes = new byte[valLength];
bufStream.read(bufBytes, 0, valLength);
valueArray[i] = convertToInt(bufBytes);
}
return valueArray;
}
return null;
}
/**
* Returns 2 int values.
*/
public int[] getIntRangeValue() {
int[] range = {0, 0};
byte[] bufArray = (byte[])myValue;
if (bufArray != null) {
int nBytes = 4; // 32-bit signed integer
for (int j=0; j<2; j++) { // 2 set of integers
byte[] intBytes = new byte[nBytes];
// REMIND: # bytes should be 8
for (int i=0; i< nBytes; i++) {
//+ 1 because the 1st byte is length
intBytes[i] = bufArray[i+(4*j)+1];
}
range[j] = convertToInt(intBytes);
}
}
return range;
}
/**
* Returns String value.
*/
public String getStringValue() {
//assumes only 1 attribute value. Will get the first value
// if > 1.
String strVal = null;
byte[] bufArray = (byte[])myValue;
if (bufArray != null) {
ByteArrayInputStream bufStream =
new ByteArrayInputStream(bufArray);
int valLength = bufStream.read();
byte[] strBytes = new byte[valLength];
bufStream.read(strBytes, 0, valLength);
try {
strVal = new String(strBytes, "UTF-8");
} catch (java.io.UnsupportedEncodingException uee) {
}
}
return strVal;
}
/**
* Returns array of String values.
*/
public String[] getArrayOfStringValues() {
byte[] bufArray = (byte[])myValue;
if (bufArray != null) {
ByteArrayInputStream bufStream =
new ByteArrayInputStream(bufArray);
int available = bufStream.available();
// total number of values is at the end of the stream
bufStream.mark(available);
bufStream.skip(available-1);
int length = bufStream.read();
bufStream.reset();
String[] valueArray = new String[length];
for (int i = 0; i < length; i++) {
// read length
int valLength = bufStream.read();
byte[] bufBytes = new byte[valLength];
bufStream.read(bufBytes, 0, valLength);
try {
valueArray[i] = new String(bufBytes, "UTF-8");
} catch (java.io.UnsupportedEncodingException uee) {
}
}
return valueArray;
}
return null;
}
/**
* Returns single byte value.
*/
public byte getByteValue() {
byte[] bufArray = (byte[])myValue;
if ((bufArray != null) && (bufArray.length>=2)) {
return bufArray[1];
}
return 0;
}
/**
* Returns attribute name.
*/
public String getName() {
return myName;
}
public boolean equals(Object obj) {
return
obj != null &&
obj instanceof AttributeClass &&
obj.toString().equals (((AttributeClass) obj).toString());
}
public String toString() {
return myName;
}
private int unsignedByteToInt(byte b) {
return (int) (b & 0xff);
}
private int convertToInt(byte[] buf) {
int intVal = 0;
int pos = 0;
intVal+= unsignedByteToInt(buf[pos++]) << 24;
intVal+= unsignedByteToInt(buf[pos++]) << 16;
intVal+= unsignedByteToInt(buf[pos++]) << 8;
intVal+= unsignedByteToInt(buf[pos++]) << 0;
return intVal;
}
}