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	/*
	* Copyright (c) 1999, 2006, 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 javax.management.loading;


	// java import

	import java.net.URL;
	import java.net.MalformedURLException;
	import java.util.Collections;
	import java.util.List;
	import java.util.Map;

	/**
	* This class represents the contents of the <CODE>MLET</CODE> tag.
	* It can be consulted by a subclass of {@link MLet} that overrides
	* the {@link MLet#check MLet.check} method.
	*
	* @since 1.6
	*/
	public class MLetContent {


	/**
	* A map of the attributes of the <CODE>MLET</CODE> tag
	* and their values.
	*/
	private Map<String,String> attributes;

	/**
	* An ordered list of the TYPE attributes that appeared in nested
	* <PARAM> tags.
	*/
	private List<String> types;

	/**
	* An ordered list of the VALUE attributes that appeared in nested
	* <PARAM> tags.
	*/
	private List<String> values;

	/**
	* The MLet text file's base URL.
	*/
	private URL documentURL;
	/**
	* The base URL.
	*/
	private URL baseURL;


	/**
	* Creates an <CODE>MLet</CODE> instance initialized with attributes read
	* from an <CODE>MLET</CODE> tag in an MLet text file.
	*
	* @param url The URL of the MLet text file containing the
	* <CODE>MLET</CODE> tag.
	* @param attributes A map of the attributes of the <CODE>MLET</CODE> tag.
	* The keys in this map are the attribute names in lowercase, for
	* example <code>codebase</code>. The values are the associated attribute
	* values.
	* @param types A list of the TYPE attributes that appeared in nested
	* <PARAM> tags.
	* @param values A list of the VALUE attributes that appeared in nested
	* <PARAM> tags.
	*/
	public MLetContent(URL url, Map<String,String> attributes,
	List<String> types, List<String> values) {
	this.documentURL = url;
	this.attributes = Collections.unmodifiableMap(attributes);
	this.types = Collections.unmodifiableList(types);
	this.values = Collections.unmodifiableList(values);

	// Initialize baseURL
	//
	String att = getParameter("codebase");
	if (att != null) {
	if (!att.endsWith("/")) {
	att += "/";
	}
	try {
	baseURL = new URL(documentURL, att);
	} catch (MalformedURLException e) {
	// OK : Move to next block as baseURL could not be initialized.
	}
	}
	if (baseURL == null) {
	String file = documentURL.getFile();
	int i = file.lastIndexOf('/');
	if (i >= 0 && i < file.length() - 1) {
	try {
	baseURL = new URL(documentURL, file.substring(0, i + 1));
	} catch (MalformedURLException e) {
	// OK : Move to next block as baseURL could not be initialized.
	}
	}
	}
	if (baseURL == null)
	baseURL = documentURL;

	}

	// GETTERS AND SETTERS
	//--------------------

	/**
	* Gets the attributes of the <CODE>MLET</CODE> tag. The keys in
	* the returned map are the attribute names in lowercase, for
	* example <code>codebase</code>. The values are the associated
	* attribute values.
	* @return A map of the attributes of the <CODE>MLET</CODE> tag
	* and their values.
	*/
	public Map<String,String> getAttributes() {
	return attributes;
	}

	/**
	* Gets the MLet text file's base URL.
	* @return The MLet text file's base URL.
	*/
	public URL getDocumentBase() {
	return documentURL;
	}

	/**
	* Gets the code base URL.
	* @return The code base URL.
	*/
	public URL getCodeBase() {
	return baseURL;
	}

	/**
	* Gets the list of <CODE>.jar</CODE> files specified by the <CODE>ARCHIVE</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	* @return A comma-separated list of <CODE>.jar</CODE> file names.
	*/
	public String getJarFiles() {
	return getParameter("archive");
	}

	/**
	* Gets the value of the <CODE>CODE</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	* @return The value of the <CODE>CODE</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	*/
	public String getCode() {
	return getParameter("code");
	}

	/**
	* Gets the value of the <CODE>OBJECT</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	* @return The value of the <CODE>OBJECT</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	*/
	public String getSerializedObject() {
	return getParameter("object");
	}

	/**
	* Gets the value of the <CODE>NAME</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	* @return The value of the <CODE>NAME</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	*/
	public String getName() {
	return getParameter("name");
	}


	/**
	* Gets the value of the <CODE>VERSION</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	* @return The value of the <CODE>VERSION</CODE>
	* attribute of the <CODE>MLET</CODE> tag.
	*/
	public String getVersion() {
	return getParameter("version");
	}

	/**
	* Gets the list of values of the <code>TYPE</code> attribute in
	* each nested <PARAM> tag within the <code>MLET</code>
	* tag.
	* @return the list of types.
	*/
	public List<String> getParameterTypes() {
	return types;
	}

	/**
	* Gets the list of values of the <code>VALUE</code> attribute in
	* each nested <PARAM> tag within the <code>MLET</code>
	* tag.
	* @return the list of values.
	*/
	public List<String> getParameterValues() {
	return values;
	}

	/**
	* Gets the value of the specified
	* attribute of the <CODE>MLET</CODE> tag.
	*
	* @param name A string representing the name of the attribute.
	* @return The value of the specified
	* attribute of the <CODE>MLET</CODE> tag.
	*/
	private String getParameter(String name) {
	return attributes.get(name.toLowerCase());
	}

	}

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