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17 package org.springframework.ws.server.endpoint.mapping;
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19 import java.util.HashMap;
20 import java.util.Map;
21 import java.util.Properties;
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23 import org.springframework.beans.BeansException;
24 import org.springframework.context.ApplicationContextException;
25 import org.springframework.util.StringUtils;
26 import org.springframework.ws.context.MessageContext;
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38 public abstract class AbstractMapBasedEndpointMapping extends AbstractEndpointMapping {
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40 private boolean lazyInitEndpoints = false;
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42 private boolean registerBeanNames = false;
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44 private final Map<String, Object> endpointMap = new HashMap<String, Object>();
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47 private Map<String, Object> temporaryEndpointMap = new HashMap<String, Object>();
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58 public void setLazyInitEndpoints(boolean lazyInitEndpoints) {
59 this.lazyInitEndpoints = lazyInitEndpoints;
60 }
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66 public final void setRegisterBeanNames(boolean registerBeanNames) {
67 this.registerBeanNames = registerBeanNames;
68 }
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76 public final void setEndpointMap(Map<String, Object> endpointMap) {
77 temporaryEndpointMap.putAll(endpointMap);
78 }
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84 public void setMappings(Properties mappings) {
85 for (Map.Entry<Object, Object> entry : mappings.entrySet()) {
86 if (entry.getKey() instanceof String) {
87 temporaryEndpointMap.put((String) entry.getKey(), entry.getValue());
88 }
89 }
90 }
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93 protected abstract boolean validateLookupKey(String key);
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100 protected abstract String getLookupKeyForMessage(MessageContext messageContext) throws Exception;
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108 @Override
109 protected final Object getEndpointInternal(MessageContext messageContext) throws Exception {
110 String key = getLookupKeyForMessage(messageContext);
111 if (!StringUtils.hasLength(key)) {
112 return null;
113 }
114 if (logger.isDebugEnabled()) {
115 logger.debug("Looking up endpoint for [" + key + "]");
116 }
117 return lookupEndpoint(key);
118 }
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126 protected Object lookupEndpoint(String key) {
127 return endpointMap.get(key);
128 }
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138 protected void registerEndpoint(String key, Object endpoint) throws BeansException {
139 Object mappedEndpoint = endpointMap.get(key);
140 if (mappedEndpoint != null) {
141 throw new ApplicationContextException("Cannot map endpoint [" + endpoint + "] on registration key [" + key +
142 "]: there's already endpoint [" + mappedEndpoint + "] mapped");
143 }
144 if (!lazyInitEndpoints && endpoint instanceof String) {
145 String endpointName = (String) endpoint;
146 endpoint = resolveStringEndpoint(endpointName);
147 }
148 if (endpoint == null) {
149 throw new ApplicationContextException("Could not find endpoint for key [" + key + "]");
150 }
151 endpointMap.put(key, endpoint);
152 if (logger.isDebugEnabled()) {
153 logger.debug("Mapped key [" + key + "] onto endpoint [" + endpoint + "]");
154 }
155 }
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168 @Override
169 protected final void initApplicationContext() throws BeansException {
170 super.initApplicationContext();
171 for (String key : temporaryEndpointMap.keySet()) {
172 Object endpoint = temporaryEndpointMap.get(key);
173 if (!validateLookupKey(key)) {
174 throw new ApplicationContextException("Invalid key [" + key + "] for endpoint [" + endpoint + "]");
175 }
176 registerEndpoint(key, endpoint);
177 }
178 temporaryEndpointMap = null;
179 if (registerBeanNames) {
180 if (logger.isDebugEnabled()) {
181 logger.debug("Looking for endpoint mappings in application context: [" + getApplicationContext() + "]");
182 }
183 String[] beanNames = getApplicationContext().getBeanDefinitionNames();
184 for (String beanName : beanNames) {
185 if (validateLookupKey(beanName)) {
186 registerEndpoint(beanName, beanName);
187 }
188 String[] aliases = getApplicationContext().getAliases(beanName);
189 for (String aliase : aliases) {
190 if (validateLookupKey(aliase)) {
191 registerEndpoint(aliase, beanName);
192 }
193 }
194 }
195 }
196 }
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198 }