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package org.mule.endpoint; |
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import org.mule.api.endpoint.EndpointException; |
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import org.mule.api.endpoint.EndpointURI; |
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import org.mule.util.ClassUtils; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.StringTokenizer; |
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import java.util.TreeMap; |
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import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicReference; |
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public class URIBuilder |
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{ |
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private static final String DOTS = ":"; |
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private static final String DOTS_SLASHES = DOTS + "//"; |
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private static final String QUERY = "?"; |
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private static final String AND = "&"; |
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private static final String EQUALS = "="; |
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|
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public static final String META = "meta"; |
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public static final String PROTOCOL = "protocol"; |
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public static final String USER = "user"; |
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public static final String PASSWORD = "password"; |
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public static final String HOST = "host"; |
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public static final String ADDRESS = "address"; |
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public static final String PORT = "port"; |
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public static final String PATH = "path"; |
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|
62 | 2 | public static final String[] ALL_ATTRIBUTES = |
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new String[]{META, PROTOCOL, USER, PASSWORD, HOST, ADDRESS, PORT, PATH}; |
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|
65 | 2 | public static final String[] PATH_ATTRIBUTES = new String[]{PATH}; |
66 | 2 | public static final String[] HOST_ATTRIBUTES = new String[]{HOST}; |
67 | 2 | public static final String[] SOCKET_ATTRIBUTES = new String[]{HOST, PORT}; |
68 | 2 | public static final String[] USERHOST_ATTRIBUTES = new String[]{USER, HOST}; |
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|
70 | 2 | public static final String[] ALL_TRANSPORT_ATTRIBUTES = new String[]{USER, PASSWORD, HOST, PORT, PATH}; |
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|
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private String address; |
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private String meta; |
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private String protocol; |
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private String user; |
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private String password; |
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private String host; |
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private Integer port; |
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private String path; |
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private Map queryMap; |
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|
82 | 502 | private AtomicReference cache = new AtomicReference(); |
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|
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public URIBuilder() |
85 | 12 | { |
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|
87 | 12 | } |
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|
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public URIBuilder(EndpointURI endpointURI) |
90 | 0 | { |
91 | 0 | cache.set(endpointURI); |
92 | 0 | } |
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|
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public URIBuilder(String address) |
95 | 490 | { |
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|
97 | 490 | int dots = address.indexOf(DOTS); |
98 | 490 | int dotsSlashes = address.indexOf(DOTS_SLASHES); |
99 | 490 | if (dots > -1 && dots < dotsSlashes) |
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{ |
101 | 2 | this.meta = address.substring(0, dots); |
102 | 2 | address = address.substring(dots+1); |
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} |
104 | 490 | this.address = address; |
105 | 490 | } |
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|
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public void setUser(String user) |
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{ |
109 | 0 | assertNotUsed(); |
110 | 0 | this.user = user; |
111 | 0 | } |
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|
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public void setPassword(String password) |
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{ |
115 | 0 | assertNotUsed(); |
116 | 0 | this.password = password; |
117 | 0 | } |
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|
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public void setHost(String host) |
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{ |
121 | 0 | assertNotUsed(); |
122 | 0 | this.host = host; |
123 | 0 | } |
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|
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public void setAddress(String address) |
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{ |
127 | 12 | assertNotUsed(); |
128 | 12 | this.address = address; |
129 | 12 | assertAddressConsistent(); |
130 | 12 | } |
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|
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public void setPort(int port) |
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{ |
134 | 0 | assertNotUsed(); |
135 | 0 | this.port = new Integer(port); |
136 | 0 | } |
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|
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public void setProtocol(String protocol) |
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{ |
140 | 2 | assertNotUsed(); |
141 | 2 | this.protocol = protocol; |
142 | 2 | assertAddressConsistent(); |
143 | 2 | } |
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|
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public void setMeta(String meta) |
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{ |
147 | 2 | assertNotUsed(); |
148 | 2 | this.meta = meta; |
149 | 2 | } |
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|
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public void setPath(String path) |
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{ |
153 | 0 | assertNotUsed(); |
154 | 0 | if (null != path && path.indexOf(DOTS_SLASHES) > -1) |
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{ |
156 | 0 | throw new IllegalArgumentException("Unusual syntax in path: '" + path + "' contains " + DOTS_SLASHES); |
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} |
158 | 0 | this.path = path; |
159 | 0 | } |
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|
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public void setQueryMap(Map queryMap) |
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{ |
163 | 8 | assertNotUsed(); |
164 | 8 | this.queryMap = queryMap; |
165 | 8 | } |
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|
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public EndpointURI getEndpoint() |
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{ |
169 | 2178 | if (null == cache.get()) |
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{ |
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try |
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{ |
173 | 488 | EndpointURI endpointUri = new MuleEndpointURI(getConstructor()); |
174 | 486 | cache.compareAndSet(null, endpointUri); |
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} |
176 | 2 | catch (EndpointException e) |
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{ |
178 | 2 | throw (IllegalStateException)new IllegalStateException("Bad endpoint configuration").initCause(e); |
179 | 486 | } |
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} |
181 | 2176 | return (EndpointURI)cache.get(); |
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} |
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|
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protected String getConstructor() |
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{ |
189 | 500 | StringBuffer buffer = new StringBuffer(); |
190 | 500 | appendMeta(buffer); |
191 | 500 | OrderedQueryParameters uriQueries = appendAddress(buffer); |
192 | 500 | uriQueries.override(queryMap); |
193 | 500 | buffer.append(uriQueries.toString()); |
194 | 500 | return buffer.toString(); |
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} |
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|
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private void appendMeta(StringBuffer buffer) |
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{ |
199 | 500 | if (null != meta) |
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{ |
201 | 4 | buffer.append(meta); |
202 | 4 | buffer.append(DOTS); |
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} |
204 | 500 | } |
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|
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private OrderedQueryParameters appendAddress(StringBuffer buffer) |
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{ |
208 | 500 | if (null != address) |
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{ |
210 | 500 | int index = address.indexOf(QUERY); |
211 | 500 | if (index > -1) |
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{ |
213 | 18 | buffer.append(address.substring(0, index)); |
214 | 18 | return parseQueries(address.substring(index + 1)); |
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} |
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else |
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{ |
218 | 482 | buffer.append(address); |
219 | 482 | return new OrderedQueryParameters(); |
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} |
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} |
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else |
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{ |
224 | 0 | constructAddress(buffer); |
225 | 0 | return new OrderedQueryParameters(); |
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} |
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} |
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|
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private OrderedQueryParameters parseQueries(String queries) |
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{ |
231 | 18 | OrderedQueryParameters map = new OrderedQueryParameters(); |
232 | 18 | StringTokenizer query = new StringTokenizer(queries, AND); |
233 | 42 | while (query.hasMoreTokens()) |
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{ |
235 | 24 | StringTokenizer nameValue = new StringTokenizer(query.nextToken(), EQUALS); |
236 | 24 | String name = nameValue.nextToken(); |
237 | 24 | String value = null; |
238 | 24 | if (nameValue.hasMoreTokens()) |
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{ |
240 | 16 | value = nameValue.nextToken(); |
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} |
242 | 24 | map.put(name, value); |
243 | 24 | } |
244 | 18 | return map; |
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} |
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|
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private void constructAddress(StringBuffer buffer) |
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{ |
249 | 0 | buffer.append(protocol); |
250 | 0 | buffer.append(DOTS_SLASHES); |
251 | 0 | boolean atStart = true; |
252 | 0 | if (null != user) |
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{ |
254 | 0 | buffer.append(user); |
255 | 0 | if (null != password) |
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{ |
257 | 0 | buffer.append(":"); |
258 | 0 | buffer.append(password); |
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} |
260 | 0 | buffer.append("@"); |
261 | 0 | atStart = false; |
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} |
263 | 0 | if (null != host) |
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{ |
265 | 0 | buffer.append(host); |
266 | 0 | if (null != port) |
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{ |
268 | 0 | buffer.append(":"); |
269 | 0 | buffer.append(port); |
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} |
271 | 0 | atStart = false; |
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} |
273 | 0 | if (null != path) |
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{ |
275 | 0 | if (! atStart) |
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{ |
277 | 0 | buffer.append("/"); |
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} |
279 | 0 | buffer.append(path); |
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} |
281 | 0 | } |
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|
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protected void assertNotUsed() |
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{ |
285 | 24 | if (null != cache.get()) |
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{ |
287 | 0 | throw new IllegalStateException("Too late to set values - builder already used"); |
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} |
289 | 24 | } |
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|
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protected void assertAddressConsistent() |
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{ |
293 | 14 | if (null != meta) |
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{ |
295 | 2 | if (null != address) |
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{ |
297 | 2 | if (address.startsWith(meta + DOTS)) |
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{ |
299 | 0 | throw new IllegalArgumentException("Meta-protocol '" + meta + |
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"' should not be specified in the address '" + address + |
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"' - it is implicit in the element namespace."); |
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} |
303 | 2 | if (null != protocol) |
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{ |
305 | 0 | assertProtocolConsistent(); |
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} |
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else |
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{ |
309 | 2 | if (address.indexOf(DOTS_SLASHES) == -1) |
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{ |
311 | 0 | throw new IllegalArgumentException("Address '" + address + |
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"' does not have a transport protocol prefix " + |
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"(omit the meta protocol prefix, '" + meta + DOTS + |
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"' - it is implicit in the element namespace)."); |
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} |
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} |
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} |
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} |
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else |
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{ |
321 | 12 | assertProtocolConsistent(); |
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} |
323 | 14 | } |
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|
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protected void assertProtocolConsistent() |
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{ |
327 | 12 | if (null != protocol && null != address && !address.startsWith(protocol + DOTS_SLASHES)) |
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{ |
329 | 0 | throw new IllegalArgumentException("Address '" + address + "' for protocol '" + protocol + |
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"' should start with " + protocol + DOTS_SLASHES); |
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} |
332 | 12 | } |
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|
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public String toString() |
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{ |
336 | 12 | return getConstructor(); |
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} |
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public boolean equals(Object other) |
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{ |
341 | 6 | if (null == other || !getClass().equals(other.getClass())) return false; |
342 | 6 | if (this == other) return true; |
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|
344 | 0 | URIBuilder builder = (URIBuilder) other; |
345 | 0 | return equal(address, builder.address) |
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&& equal(meta, builder.meta) |
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&& equal(protocol, builder.protocol) |
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&& equal(user, builder.user) |
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&& equal(password, builder.password) |
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&& equal(host, builder.host) |
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&& equal(port, builder.port) |
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&& equal(path, builder.path) |
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&& equal(queryMap, builder.queryMap); |
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} |
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|
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protected static boolean equal(Object a, Object b) |
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{ |
358 | 0 | return ClassUtils.equal(a, b); |
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} |
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|
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public int hashCode() |
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{ |
363 | 32 | return ClassUtils.hash(new Object[]{address, meta, protocol, user, password, host, port, path, queryMap}); |
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} |
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|
366 | 1000 | private static class OrderedQueryParameters |
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{ |
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|
369 | 500 | private Map values = new HashMap(); |
370 | 500 | private List orderedKeys = new LinkedList(); |
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|
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public void put(String name, String value) |
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{ |
374 | 24 | values.put(name, value); |
375 | 24 | orderedKeys.add(name); |
376 | 24 | } |
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|
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public void override(Map map) |
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{ |
380 | 500 | if (null != map) |
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{ |
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|
383 | 8 | Iterator names = new TreeMap(map).keySet().iterator(); |
384 | 24 | while (names.hasNext()) |
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{ |
386 | 16 | String name = (String) names.next(); |
387 | 16 | String value =(String) map.get(name); |
388 | 16 | if (! values.keySet().contains(name)) |
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{ |
390 | 10 | orderedKeys.add(name); |
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} |
392 | 16 | values.put(name, value); |
393 | 16 | } |
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} |
395 | 500 | } |
396 | |
|
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public String toString() |
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{ |
399 | 500 | StringBuffer buffer = new StringBuffer(); |
400 | 500 | Iterator keys = orderedKeys.iterator(); |
401 | 500 | boolean first = true; |
402 | 534 | while (keys.hasNext()) |
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{ |
404 | 34 | if (first) |
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{ |
406 | 20 | buffer.append(QUERY); |
407 | 20 | first = false; |
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} |
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else |
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{ |
411 | 14 | buffer.append(AND); |
412 | |
} |
413 | 34 | String key = (String)keys.next(); |
414 | 34 | buffer.append(key); |
415 | 34 | String value = (String)values.get(key); |
416 | 34 | if (null != value) |
417 | |
{ |
418 | 28 | buffer.append(EQUALS); |
419 | 28 | buffer.append(value); |
420 | |
} |
421 | 34 | } |
422 | 500 | return buffer.toString(); |
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} |
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|
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} |
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} |