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package org.mule.endpoint; |
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import org.mule.api.MuleContext; |
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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.io.File; |
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import java.net.URI; |
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import java.net.URLDecoder; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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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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private static final String BACKSLASH = "\\"; |
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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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|
66 | 0 | public static final String[] ALL_ATTRIBUTES = |
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new String[]{META, PROTOCOL, USER, PASSWORD, HOST, ADDRESS, PORT, PATH}; |
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|
69 | 0 | public static final String[] PATH_ATTRIBUTES = new String[]{PATH}; |
70 | 0 | public static final String[] HOST_ATTRIBUTES = new String[]{HOST}; |
71 | 0 | public static final String[] SOCKET_ATTRIBUTES = new String[]{HOST, PORT}; |
72 | 0 | public static final String[] USERHOST_ATTRIBUTES = new String[]{USER, HOST}; |
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|
74 | 0 | public static final String[] ALL_TRANSPORT_ATTRIBUTES = new String[]{USER, PASSWORD, HOST, PORT, PATH}; |
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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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private MuleContext muleContext; |
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|
87 | 0 | private AtomicReference cache = new AtomicReference(); |
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|
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public URIBuilder() |
90 | 0 | { |
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92 | 0 | } |
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public URIBuilder(MuleContext muleContext) |
95 | 0 | { |
96 | 0 | this.muleContext = muleContext; |
97 | 0 | } |
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|
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public URIBuilder(EndpointURI endpointURI) |
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{ |
101 | 0 | this(endpointURI.getMuleContext()); |
102 | 0 | cache.set(endpointURI); |
103 | 0 | } |
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|
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public URIBuilder(String address, MuleContext muleContext) |
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{ |
107 | 0 | this(muleContext); |
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|
109 | 0 | int dots = address.indexOf(DOTS); |
110 | 0 | int dotsSlashes = address.indexOf(DOTS_SLASHES); |
111 | 0 | if (dots > -1 && dots < dotsSlashes) |
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{ |
113 | 0 | this.meta = address.substring(0, dots); |
114 | 0 | address = address.substring(dots+1); |
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} |
116 | 0 | this.address = address; |
117 | 0 | } |
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|
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public MuleContext getMuleContext() |
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{ |
121 | 0 | return muleContext; |
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} |
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public void setMuleContext(MuleContext muleContext) |
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{ |
126 | 0 | this.muleContext = muleContext; |
127 | 0 | } |
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public void setUser(String user) |
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{ |
131 | 0 | assertNotUsed(); |
132 | 0 | this.user = user; |
133 | 0 | } |
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public void setPassword(String password) |
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{ |
137 | 0 | assertNotUsed(); |
138 | 0 | this.password = password; |
139 | 0 | } |
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public void setHost(String host) |
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{ |
143 | 0 | assertNotUsed(); |
144 | 0 | this.host = host; |
145 | 0 | } |
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|
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public void setAddress(String address) |
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{ |
149 | 0 | assertNotUsed(); |
150 | 0 | this.address = address; |
151 | 0 | assertAddressConsistent(); |
152 | 0 | } |
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|
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public void setPort(int port) |
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{ |
156 | 0 | assertNotUsed(); |
157 | 0 | this.port = new Integer(port); |
158 | 0 | } |
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|
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public void setProtocol(String protocol) |
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{ |
162 | 0 | assertNotUsed(); |
163 | 0 | this.protocol = protocol; |
164 | 0 | assertAddressConsistent(); |
165 | 0 | } |
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|
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public void setMeta(String meta) |
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{ |
169 | 0 | assertNotUsed(); |
170 | 0 | this.meta = meta; |
171 | 0 | } |
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|
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public void setPath(String path) |
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{ |
175 | 0 | assertNotUsed(); |
176 | 0 | if (null != path) |
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{ |
178 | 0 | if (path.indexOf(DOTS_SLASHES) > -1) |
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{ |
180 | 0 | throw new IllegalArgumentException("Unusual syntax in path: '" + path + "' contains " + DOTS_SLASHES); |
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} |
182 | 0 | else if (path.contains(BACKSLASH)) |
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{ |
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|
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try |
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{ |
187 | 0 | URI pathUri = new File(path).toURI(); |
188 | 0 | path = pathUri.getPath(); |
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} |
190 | 0 | catch (Exception ex) |
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{ |
192 | 0 | throw new IllegalArgumentException("Illegal syntax in path: " + path, ex); |
193 | 0 | } |
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} |
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} |
196 | 0 | this.path = path; |
197 | 0 | } |
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public void setQueryMap(Map queryMap) |
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{ |
201 | 0 | assertNotUsed(); |
202 | 0 | this.queryMap = queryMap; |
203 | 0 | } |
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|
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public EndpointURI getEndpoint() |
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{ |
207 | 0 | if (null == cache.get()) |
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{ |
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try |
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{ |
211 | 0 | EndpointURI endpointUri = new MuleEndpointURI(getConstructor(), getEncodedConstructor(), muleContext); |
212 | 0 | cache.compareAndSet(null, endpointUri); |
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} |
214 | 0 | catch (EndpointException e) |
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{ |
216 | 0 | throw (IllegalStateException)new IllegalStateException("Bad endpoint configuration").initCause(e); |
217 | 0 | } |
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} |
219 | 0 | return (EndpointURI)cache.get(); |
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} |
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protected String getConstructor() |
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{ |
227 | 0 | return URLDecoder.decode(getEncodedConstructor()); |
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} |
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protected String getEncodedConstructor() |
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{ |
232 | 0 | StringBuffer buffer = new StringBuffer(); |
233 | 0 | appendMeta(buffer); |
234 | 0 | OrderedQueryParameters uriQueries = appendAddress(buffer); |
235 | 0 | uriQueries.override(queryMap); |
236 | 0 | buffer.append(uriQueries.toString()); |
237 | 0 | return buffer.toString(); |
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} |
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private void appendMeta(StringBuffer buffer) |
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{ |
242 | 0 | if (null != meta) |
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{ |
244 | 0 | buffer.append(meta); |
245 | 0 | buffer.append(DOTS); |
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} |
247 | 0 | } |
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private OrderedQueryParameters appendAddress(StringBuffer buffer) |
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{ |
251 | 0 | if (null != address) |
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{ |
253 | 0 | int index = address.indexOf(QUERY); |
254 | 0 | if (index > -1) |
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{ |
256 | 0 | buffer.append(address.substring(0, index)); |
257 | 0 | return parseQueries(address.substring(index + 1)); |
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} |
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else |
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{ |
261 | 0 | buffer.append(address); |
262 | 0 | return new OrderedQueryParameters(); |
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} |
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} |
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else |
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{ |
267 | 0 | constructAddress(buffer); |
268 | 0 | return new OrderedQueryParameters(); |
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} |
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} |
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private OrderedQueryParameters parseQueries(String queries) |
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{ |
274 | 0 | OrderedQueryParameters map = new OrderedQueryParameters(); |
275 | 0 | StringTokenizer query = new StringTokenizer(queries, AND); |
276 | 0 | while (query.hasMoreTokens()) |
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{ |
278 | 0 | StringTokenizer nameValue = new StringTokenizer(query.nextToken(), EQUALS); |
279 | 0 | String name = nameValue.nextToken(); |
280 | 0 | String value = null; |
281 | 0 | if (nameValue.hasMoreTokens()) |
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{ |
283 | 0 | value = nameValue.nextToken(); |
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} |
285 | 0 | map.put(name, value); |
286 | 0 | } |
287 | 0 | return map; |
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} |
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private void constructAddress(StringBuffer buffer) |
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{ |
292 | 0 | buffer.append(protocol); |
293 | 0 | buffer.append(DOTS_SLASHES); |
294 | 0 | boolean atStart = true; |
295 | 0 | if (null != user) |
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{ |
297 | 0 | buffer.append(user); |
298 | 0 | if (null != password) |
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{ |
300 | 0 | buffer.append(":"); |
301 | 0 | buffer.append(password); |
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} |
303 | 0 | buffer.append("@"); |
304 | 0 | atStart = false; |
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} |
306 | 0 | if (null != host) |
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{ |
308 | 0 | buffer.append(host); |
309 | 0 | if (null != port) |
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{ |
311 | 0 | buffer.append(":"); |
312 | 0 | buffer.append(port); |
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} |
314 | 0 | atStart = false; |
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} |
316 | 0 | if (null != path) |
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{ |
318 | 0 | if (! atStart) |
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{ |
320 | 0 | buffer.append("/"); |
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} |
322 | 0 | buffer.append(path); |
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} |
324 | 0 | } |
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|
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protected void assertNotUsed() |
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{ |
328 | 0 | if (null != cache.get()) |
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{ |
330 | 0 | throw new IllegalStateException("Too late to set values - builder already used"); |
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} |
332 | 0 | } |
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|
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protected void assertAddressConsistent() |
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{ |
336 | 0 | if (null != meta) |
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{ |
338 | 0 | if (null != address) |
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{ |
340 | 0 | if (address.startsWith(meta + DOTS)) |
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{ |
342 | 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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} |
346 | 0 | if (null != protocol) |
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{ |
348 | 0 | assertProtocolConsistent(); |
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} |
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else |
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{ |
352 | 0 | if (address.indexOf(DOTS_SLASHES) == -1) |
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{ |
354 | 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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{ |
364 | 0 | assertProtocolConsistent(); |
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} |
366 | 0 | } |
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|
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protected void assertProtocolConsistent() |
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{ |
370 | 0 | if (null != protocol && null != address && !address.startsWith(protocol + DOTS_SLASHES)) |
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{ |
372 | 0 | throw new IllegalArgumentException("Address '" + address + "' for protocol '" + protocol + |
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"' should start with " + protocol + DOTS_SLASHES); |
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} |
375 | 0 | } |
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|
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public String toString() |
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{ |
379 | 0 | return getConstructor(); |
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} |
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public boolean equals(Object other) |
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{ |
384 | 0 | if (null == other || !getClass().equals(other.getClass())) return false; |
385 | 0 | if (this == other) return true; |
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|
387 | 0 | URIBuilder builder = (URIBuilder) other; |
388 | 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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protected static boolean equal(Object a, Object b) |
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{ |
401 | 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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{ |
406 | 0 | return ClassUtils.hash(new Object[]{address, meta, protocol, user, password, host, port, path, queryMap}); |
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} |
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|
409 | 0 | private static class OrderedQueryParameters |
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{ |
411 | 0 | private List<String> names = new ArrayList<String>(); |
412 | 0 | private List<String> values = new ArrayList<String>(); |
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|
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public void put(String name, String value) |
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{ |
416 | 0 | names.add(name); |
417 | 0 | values.add(value); |
418 | 0 | } |
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public void override(Map map) |
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{ |
427 | 0 | if (null != map) |
428 | |
{ |
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|
430 | 0 | Iterator mapNames = new TreeMap(map).keySet().iterator(); |
431 | 0 | while (mapNames.hasNext()) |
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{ |
433 | 0 | String name = (String) mapNames.next(); |
434 | 0 | String value = (String) map.get(name); |
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|
436 | 0 | int pos = names.indexOf(name); |
437 | 0 | if (pos >= 0) |
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{ |
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|
440 | 0 | values.set(pos, value); |
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} |
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else |
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{ |
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|
445 | 0 | names.add(name); |
446 | 0 | values.add(value); |
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} |
448 | 0 | } |
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} |
450 | 0 | } |
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|
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public String toString() |
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{ |
454 | 0 | StringBuffer buffer = new StringBuffer(); |
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|
456 | 0 | boolean first = true; |
457 | |
|
458 | 0 | for (int i = 0; i < names.size(); i++) |
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{ |
460 | 0 | if (first) |
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{ |
462 | 0 | buffer.append(QUERY); |
463 | 0 | first = false; |
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} |
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else |
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{ |
467 | 0 | buffer.append(AND); |
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} |
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|
470 | 0 | buffer.append(names.get(i)); |
471 | 0 | String value = values.get(i); |
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|
473 | 0 | if (null != value) |
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{ |
475 | 0 | buffer.append(EQUALS); |
476 | 0 | buffer.append(value); |
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} |
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} |
479 | 0 | return buffer.toString(); |
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} |
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} |
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|
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} |