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+/* UnknownAttribute.java --
+ Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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 gnu.javax.print.ipp.attribute;
+
+import gnu.javax.print.ipp.IppUtilities;
+import gnu.javax.print.ipp.IppValueTag;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.print.attribute.Attribute;
+
+/**
+ * UnknownAttribute holds all the parsed Attribute information.
+ * It provides methods to get the value-tag, name and value.
+ *
+ * @author Wolfgang Baer (WBaer@gmx.de)
+ */
+public final class UnknownAttribute implements Attribute
+{
+ private byte tag;
+ private String name;
+ private byte[] value;
+
+ /**
+ * Creates a <code>UnknownAttribute</code> object with the given values.
+ *
+ * @param tag the value tag
+ * @param name the attribute name
+ * @param value the byte[] with the value
+ */
+ public UnknownAttribute(byte tag, String name, byte[] value)
+ {
+ this.tag = tag;
+ this.name = name;
+ this.value = value;
+ }
+
+ /**
+ * Returns category of this class.
+ *
+ * @return The class <code>UnknownAttribute</code> itself.
+ */
+ public Class<? extends Attribute> getCategory()
+ {
+ return UnknownAttribute.class;
+ }
+
+ /**
+ * Returns the name of this attribute.
+ *
+ * @return The name attributes IPP name.
+ */
+ public String getName()
+ {
+ return name;
+ }
+
+ /**
+ * Returns the value tag
+ * @return The tag.
+ *
+ * @see gnu.javax.print.ipp.IppValueTag
+ */
+ public byte getValueTag()
+ {
+ return tag;
+ }
+
+ /**
+ * Returns the name of the attribute.
+ * @return The name.
+ */
+ public String getAttributeName()
+ {
+ return name;
+ }
+
+ /**
+ * Returns the attribute value origin byte array.
+ * @return The value.
+ */
+ public byte[] getAttributeValue()
+ {
+ return value;
+ }
+
+ /**
+ * Returns the attribute value decoded as String.
+ * @return The value as String.
+ */
+ public String getAttributeValueAsString()
+ {
+ return new String(value);
+ }
+
+ /**
+ * Returns the attribute value decoded as int.
+ * @return The value as int.
+ */
+ public int getAttributeValueAsInt()
+ {
+ return IppUtilities.convertToInt(value);
+ }
+
+ /**
+ * Returns the attribute value decoded as an URI.
+ * @return The value as URI.
+ */
+ public URI getAttributeValueAsUri()
+ {
+ try
+ {
+ return new URI(new String(value));
+ }
+ catch (URISyntaxException e)
+ {
+ return null;
+ }
+ }
+
+ /**
+ * Provides a string representation for some default
+ * tag types (e.g. int, rangeofinteger, string, uri).
+ * For other more complex types "No conversion found."
+ * is returned.
+ */
+ public String toString()
+ {
+ switch (tag)
+ {
+ case IppValueTag.INTEGER:
+ return "" + getAttributeValueAsInt();
+ case IppValueTag.RANGEOFINTEGER:
+ int lower = IppUtilities.convertToInt(value[0], value[1],
+ value[2], value[3]);
+ int upper = IppUtilities.convertToInt(value[4], value[5],
+ value[6], value[7]);
+ return lower + "-" + upper;
+ case IppValueTag.URI:
+ return getAttributeValueAsUri().toString();
+ case IppValueTag.KEYWORD:
+ case IppValueTag.URI_SCHEME:
+ case IppValueTag.CHARSET:
+ case IppValueTag.NATURAL_LANGUAGE:
+ case IppValueTag.MIME_MEDIA_TYPE:
+ case IppValueTag.NAME_WITHOUT_LANGUAGE:
+ case IppValueTag.TEXT_WITHOUT_LANGUAGE:
+ return getAttributeValueAsString();
+ default:
+ return "No conversion found.";
+ }
+ }
+}