org/jsampler/OrchestraInstrument.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2007 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler 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 JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;


/**
 *
 * @author Grigor Iliev
 */
public class OrchestraInstrument extends Resource implements org.linuxsampler.lscp.Instrument {
        private String path = null;
        private int instrumentIndex = 0;
        private String engine = "GIG";
        
        /**
         * Creates a new instance of <code>OrchestraInstrument</code>.
         */
        public OrchestraInstrument() {
        }
        
        /**
         * Returns the absolute pathname of the instrument location.
         * @return The absolute pathname of the instrument location.
         */
        public String
        getFilePath() { return path; }
        
        /**
         * Sets the absolute pathname of the instrument location.
         * @param path Specifies the absolute pathname of the instrument location.
         */
        public void
        setFilePath(String path) {
                this.path = path;
                fireChangeEvent();
        }
        
        /**
         * Returns the index of the instrument in the instrument file.
         * @return The index of the instrument in the instrument file.
         */
        public int
        getInstrumentIndex() { return instrumentIndex; }
        
        /**
         * Sets the index of the instrument in the instrument file.
         * @param idx The index of the instrument in the instrument file.
         */
        public void
        setInstrumentIndex(int idx) {
                instrumentIndex = idx;
                fireChangeEvent();
        }
        
        /**
         * Gets the engine to be used for loading this instrument.
         * @return The engine to be used for loading this instrument.
         */
        public String
        getEngine() { return engine; }
        
        /**
         * Sets the engine to be used for loading this instrument.
         */
        public void
        setEngine(String engine) { this.engine = engine; }
        
        public String
        getFormatFamily() { return null; }
        
        public String
        getFormatVersion() { return null; }
        
        /**
         * Returns the name of this instrument.
         * @return The name of this instrument.
         */
        public String
        toString() { return getName(); }
        
        private final StringBuffer sb = new StringBuffer();
        
        /**
         * Gets a string representation of this
         * instrument appropriate for Drag & Drop operations.
         * @return A string representation of this
         * instrument appropriate for Drag & Drop operations.
         * @see #isDnDString
         */
        public String
        getDnDString() {
                sb.setLength(0);
                sb.append("[Instrument Definition]\n");
                sb.append(getName()).append("\n");
                sb.append("\n");
                sb.append(getDescription()).append("\n");
                sb.append(getFilePath()).append("\n");
                sb.append(getInstrumentIndex()).append("\n");
                
                return sb.toString();
        }
        
        /**
         * Sets the instrument properties provided by the specified
         * Drag & Drop string representation.
         * @param s String providing Drag & Drop string representation of an instrument.
         * @throws IllegalArgumentException If the specified string is not
         * a Drag & Drop string representation of an instrument.
         * @see #getDnDString
         */
        public void
        setDnDString(String s) {
                if(!isDnDString(s)) throw new IllegalArgumentException("Not a DnD string");
                
                String[] args = s.split("\n");
                if(args.length < 6) throw new IllegalArgumentException("Not a DnD string");
                
                setName(args[1]);
                setDescription(args[3]);
                setFilePath(args[4]);
                
                try { setInstrumentIndex(Integer.parseInt(args[5])); }
                catch(Exception x) {
                        throw new IllegalArgumentException("Not a DnD string", x);
                }
        }
        
        /**
         * Determines whether the specified string is
         * a Drag & Drop representation of an instrument.
         * @param s The string to be checked.
         * @return <code>true</code> if the specified string is
         * a Drag & Drop representation of an instrument, <code>false</code> otherwise.
         */
        public static boolean
        isDnDString(String s) {
                if(s == null) return false;
                return s.startsWith("[Instrument Definition]\n");
        }
        
        /**
         * Reads and sets the instrument properties by the supplied <code>node</code>.
         * @param node The node providing the instrument properties.
         * @throws IllegalArgumentException If an error occurs while
         * reading the instrument properties.
         */
        public void
        readObject(Node node) {
                if(
                        node.getNodeType() != Node.ELEMENT_NODE ||
                        !(node.getNodeName().equals("instrument"))
                ) {
                        throw new IllegalArgumentException("Not an instrument node!");
                }
                
                NamedNodeMap nnm = node.getAttributes();
                Node n = nnm.getNamedItem("name");
                if(n == null) {
                        throw new IllegalArgumentException("The instrument name is undefined!");
                }
                DOMUtils.validateTextContent(n);
                setName(n.getFirstChild().getNodeValue());
                
                String s = null;
                NodeList nl = node.getChildNodes();
                
                for(int i = 0; i < nl.getLength(); i++) {
                        node = nl.item(i);
                        if(node.getNodeType() != Node.ELEMENT_NODE) continue;
                        
                        s = node.getNodeName();
                        if(s.equals("description")) {
                                if(node.hasChildNodes()) {
                                        DOMUtils.validateTextContent(node);
                                        setDescription(node.getFirstChild().getNodeValue());
                                }
                        } else if(s.equals("path")) {
                                DOMUtils.validateTextContent(node);
                                setFilePath(node.getFirstChild().getNodeValue());
                        } else if(s.equals("instrument-index")) {
                                DOMUtils.validateTextContent(node);
                                try {
                                        int j;
                                        j = Integer.parseInt(node.getFirstChild().getNodeValue());
                                        setInstrumentIndex(j);
                                } catch(NumberFormatException x) {
                                        throw new IllegalArgumentException("Not a number");
                                }
                        } else {        // Unknown content
                                CC.getLogger().info ("Unknown field: " + s);
                        }
                }
        }
        
        /**
         * Writes the instrument properties to the
         * specified node of document <code>doc</code>.
         * @param doc The document containing <code>node</code>.
         * @param node Specifies the node where the instrument properties
         * should be written.
         */
        public void
        writeObject(Document doc, Node node) {
                Element el = doc.createElement("instrument");
                el.setAttribute("name", getName());
                node.appendChild(el);
                                
                node = el;
                
                el = doc.createElement("description");
                el.appendChild(doc.createTextNode(getDescription()));
                node.appendChild(el);
                
                el = doc.createElement("path");
                el.appendChild(doc.createTextNode(getFilePath()));
                node.appendChild(el);
                
                el = doc.createElement("instrument-index");
                el.appendChild(doc.createTextNode(String.valueOf(getInstrumentIndex())));
                node.appendChild(el);
        }
}
1	/*
2	* JSampler - a java front-end for LinuxSampler
3	*
4	* Copyright (C) 2005-2007 Grigor Iliev <grigor@grigoriliev.com>
5	*
6	* This file is part of JSampler.
7	*
8	* JSampler is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License version 2
10	* as published by the Free Software Foundation.
11	*
12	* JSampler is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with JSampler; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20	* MA 02111-1307 USA
21	*/
22
23	package org.jsampler;
24
25	import org.w3c.dom.Document;
26	import org.w3c.dom.Element;
27	import org.w3c.dom.NamedNodeMap;
28	import org.w3c.dom.Node;
29	import org.w3c.dom.NodeList;
30
31
32	/**
33	*
34	* @author Grigor Iliev
35	*/
36	public class OrchestraInstrument extends Resource implements org.linuxsampler.lscp.Instrument {
37	private String path = null;
38	private int instrumentIndex = 0;
39	private String engine = "GIG";
40
41	/**
42	* Creates a new instance of <code>OrchestraInstrument</code>.
43	*/
44	public OrchestraInstrument() {
45	}
46
47	/**
48	* Returns the absolute pathname of the instrument location.
49	* @return The absolute pathname of the instrument location.
50	*/
51	public String
52	getFilePath() { return path; }
53
54	/**
55	* Sets the absolute pathname of the instrument location.
56	* @param path Specifies the absolute pathname of the instrument location.
57	*/
58	public void
59	setFilePath(String path) {
60	this.path = path;
61	fireChangeEvent();
62	}
63
64	/**
65	* Returns the index of the instrument in the instrument file.
66	* @return The index of the instrument in the instrument file.
67	*/
68	public int
69	getInstrumentIndex() { return instrumentIndex; }
70
71	/**
72	* Sets the index of the instrument in the instrument file.
73	* @param idx The index of the instrument in the instrument file.
74	*/
75	public void
76	setInstrumentIndex(int idx) {
77	instrumentIndex = idx;
78	fireChangeEvent();
79	}
80
81	/**
82	* Gets the engine to be used for loading this instrument.
83	* @return The engine to be used for loading this instrument.
84	*/
85	public String
86	getEngine() { return engine; }
87
88	/**
89	* Sets the engine to be used for loading this instrument.
90	*/
91	public void
92	setEngine(String engine) { this.engine = engine; }
93
94	public String
95	getFormatFamily() { return null; }
96
97	public String
98	getFormatVersion() { return null; }
99
100	/**
101	* Returns the name of this instrument.
102	* @return The name of this instrument.
103	*/
104	public String
105	toString() { return getName(); }
106
107	private final StringBuffer sb = new StringBuffer();
108
109	/**
110	* Gets a string representation of this
111	* instrument appropriate for Drag & Drop operations.
112	* @return A string representation of this
113	* instrument appropriate for Drag & Drop operations.
114	* @see #isDnDString
115	*/
116	public String
117	getDnDString() {
118	sb.setLength(0);
119	sb.append("[Instrument Definition]\n");
120	sb.append(getName()).append("\n");
121	sb.append("\n");
122	sb.append(getDescription()).append("\n");
123	sb.append(getFilePath()).append("\n");
124	sb.append(getInstrumentIndex()).append("\n");
125
126	return sb.toString();
127	}
128
129	/**
130	* Sets the instrument properties provided by the specified
131	* Drag & Drop string representation.
132	* @param s String providing Drag & Drop string representation of an instrument.
133	* @throws IllegalArgumentException If the specified string is not
134	* a Drag & Drop string representation of an instrument.
135	* @see #getDnDString
136	*/
137	public void
138	setDnDString(String s) {
139	if(!isDnDString(s)) throw new IllegalArgumentException("Not a DnD string");
140
141	String[] args = s.split("\n");
142	if(args.length < 6) throw new IllegalArgumentException("Not a DnD string");
143
144	setName(args[1]);
145	setDescription(args[3]);
146	setFilePath(args[4]);
147
148	try { setInstrumentIndex(Integer.parseInt(args[5])); }
149	catch(Exception x) {
150	throw new IllegalArgumentException("Not a DnD string", x);
151	}
152	}
153
154	/**
155	* Determines whether the specified string is
156	* a Drag & Drop representation of an instrument.
157	* @param s The string to be checked.
158	* @return <code>true</code> if the specified string is
159	* a Drag & Drop representation of an instrument, <code>false</code> otherwise.
160	*/
161	public static boolean
162	isDnDString(String s) {
163	if(s == null) return false;
164	return s.startsWith("[Instrument Definition]\n");
165	}
166
167	/**
168	* Reads and sets the instrument properties by the supplied <code>node</code>.
169	* @param node The node providing the instrument properties.
170	* @throws IllegalArgumentException If an error occurs while
171	* reading the instrument properties.
172	*/
173	public void
174	readObject(Node node) {
175	if(
176	node.getNodeType() != Node.ELEMENT_NODE \|\|
177	!(node.getNodeName().equals("instrument"))
178	) {
179	throw new IllegalArgumentException("Not an instrument node!");
180	}
181
182	NamedNodeMap nnm = node.getAttributes();
183	Node n = nnm.getNamedItem("name");
184	if(n == null) {
185	throw new IllegalArgumentException("The instrument name is undefined!");
186	}
187	DOMUtils.validateTextContent(n);
188	setName(n.getFirstChild().getNodeValue());
189
190	String s = null;
191	NodeList nl = node.getChildNodes();
192
193	for(int i = 0; i < nl.getLength(); i++) {
194	node = nl.item(i);
195	if(node.getNodeType() != Node.ELEMENT_NODE) continue;
196
197	s = node.getNodeName();
198	if(s.equals("description")) {
199	if(node.hasChildNodes()) {
200	DOMUtils.validateTextContent(node);
201	setDescription(node.getFirstChild().getNodeValue());
202	}
203	} else if(s.equals("path")) {
204	DOMUtils.validateTextContent(node);
205	setFilePath(node.getFirstChild().getNodeValue());
206	} else if(s.equals("instrument-index")) {
207	DOMUtils.validateTextContent(node);
208	try {
209	int j;
210	j = Integer.parseInt(node.getFirstChild().getNodeValue());
211	setInstrumentIndex(j);
212	} catch(NumberFormatException x) {
213	throw new IllegalArgumentException("Not a number");
214	}
215	} else { // Unknown content
216	CC.getLogger().info ("Unknown field: " + s);
217	}
218	}
219	}
220
221	/**
222	* Writes the instrument properties to the
223	* specified node of document <code>doc</code>.
224	* @param doc The document containing <code>node</code>.
225	* @param node Specifies the node where the instrument properties
226	* should be written.
227	*/
228	public void
229	writeObject(Document doc, Node node) {
230	Element el = doc.createElement("instrument");
231	el.setAttribute("name", getName());
232	node.appendChild(el);
233
234	node = el;
235
236	el = doc.createElement("description");
237	el.appendChild(doc.createTextNode(getDescription()));
238	node.appendChild(el);
239
240	el = doc.createElement("path");
241	el.appendChild(doc.createTextNode(getFilePath()));
242	node.appendChild(el);
243
244	el = doc.createElement("instrument-index");
245	el.appendChild(doc.createTextNode(String.valueOf(getInstrumentIndex())));
246	node.appendChild(el);
247	}
248	}