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package org.kuali.rice.core.api.resourceloader; |
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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 javax.xml.namespace.QName; |
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import org.apache.commons.lang.ObjectUtils; |
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import org.apache.log4j.Logger; |
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import org.kuali.rice.core.api.lifecycle.BaseLifecycle; |
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import org.kuali.rice.core.api.reflect.ObjectDefinition; |
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public class ResourceLoaderContainer extends BaseLifecycle implements ResourceLoader { |
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39 | 0 | private static final Logger LOG = Logger.getLogger(ResourceLoaderContainer.class); |
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private QName name; |
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|
43 | 0 | private List<ResourceLoader> resourceLoaders = new ArrayList<ResourceLoader>(); |
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|
45 | 0 | public ResourceLoaderContainer(QName name) { |
46 | 0 | this.name = name; |
47 | 0 | } |
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public void start() throws Exception { |
50 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
51 | 0 | LOG.info("Starting ResourceLoader " + resourceLoader.getName()); |
52 | 0 | resourceLoader.start(); |
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} |
54 | 0 | super.start(); |
55 | 0 | } |
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public void stop() throws Exception { |
58 | 0 | while (!this.resourceLoaders.isEmpty()) { |
59 | 0 | ResourceLoader rl = this.resourceLoaders.get(this.resourceLoaders.size() - 1); |
60 | 0 | rl.stop(); |
61 | 0 | this.resourceLoaders.remove(rl); |
62 | 0 | } |
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64 | 0 | super.stop(); |
65 | 0 | this.resourceLoaders.clear(); |
66 | 0 | } |
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public void addResourceLoader(ResourceLoader resourceLoader) { |
69 | 0 | this.resourceLoaders.add(resourceLoader); |
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72 | 0 | moveKSBLoadersDownHack(); |
73 | 0 | } |
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private void moveKSBLoadersDownHack() { |
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78 | 0 | for (int i = 0; i < resourceLoaders.size(); i++) { |
79 | 0 | final boolean remote = resourceLoaders.get(i).getName().toString().toUpperCase().contains("KSB"); |
80 | 0 | if (remote) { |
81 | 0 | final ResourceLoader removed = this.resourceLoaders.remove(i); |
82 | 0 | this.resourceLoaders.add(this.resourceLoaders.size(), removed); |
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} |
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} |
85 | 0 | } |
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public void addResourceLoaderFirst(ResourceLoader resourceLoader) { |
88 | 0 | this.resourceLoaders.add(0, resourceLoader); |
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91 | 0 | moveKSBLoadersDownHack(); |
92 | 0 | } |
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public boolean containsResourceLoader(ResourceLoader resourceLoader) { |
95 | 0 | return this.resourceLoaders.contains(resourceLoader); |
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} |
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public ResourceLoader getResourceLoader(QName name) { |
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100 | 0 | if (this.getName().equals(name)) { |
101 | 0 | return this; |
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} |
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104 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
105 | 0 | ResourceLoader loader = iter.next(); |
106 | 0 | if (loader.getName().equals(name)) { |
107 | 0 | return loader; |
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} |
109 | 0 | ResourceLoader loader2 = loader.getResourceLoader(name); |
110 | 0 | if (loader2 != null) { |
111 | 0 | return loader2; |
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} |
113 | 0 | } |
114 | 0 | return null; |
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} |
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public List<QName> getResourceLoaderNames() { |
118 | 0 | List<QName> names = new ArrayList<QName>(); |
119 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
120 | 0 | names.add(iter.next().getName()); |
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} |
122 | 0 | return names; |
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} |
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public void removeAllResourceLoaders() { |
126 | 0 | this.resourceLoaders.clear(); |
127 | 0 | } |
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public void removeResourceLoader(QName name) { |
130 | 0 | ResourceLoader loaderToRemove = null; |
131 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
132 | 0 | ResourceLoader loader = iter.next(); |
133 | 0 | if (loader.getName().equals(name)) { |
134 | 0 | loaderToRemove = loader; |
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} |
136 | 0 | } |
137 | 0 | if (loaderToRemove != null) { |
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try { |
139 | 0 | loaderToRemove.stop(); |
140 | 0 | } catch (Exception e) { |
141 | 0 | LOG.error("Failed to stop plugin " + loaderToRemove.getName() + " on removal", e); |
142 | 0 | } |
143 | 0 | this.resourceLoaders.remove(loaderToRemove); |
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} |
145 | 0 | } |
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public List<ResourceLoader> getResourceLoaders() { |
148 | 0 | return this.resourceLoaders; |
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} |
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public Object getObject(ObjectDefinition definition) { |
154 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
155 | 0 | Object object = resourceLoader.getObject(definition); |
156 | 0 | if (object != null) { |
157 | 0 | return object; |
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} |
159 | 0 | } |
160 | 0 | return null; |
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} |
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public Object getService(QName qname) { |
164 | 0 | if (LOG.isDebugEnabled()) { |
165 | 0 | LOG.debug("ResourceLoader " + getName() + " fetching service " + qname); |
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} |
167 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
168 | 0 | if (LOG.isDebugEnabled()) { |
169 | 0 | LOG.debug("Delegating fetch to " + this); |
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} |
171 | 0 | Object service = resourceLoader.getService(qname); |
172 | 0 | if (service != null) { |
173 | 0 | if (LOG.isDebugEnabled()) { |
174 | 0 | LOG.debug("Found service from " + this); |
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} |
176 | 0 | return service; |
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} |
178 | 0 | } |
179 | 0 | return null; |
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} |
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public String getContents(String indent, boolean servicePerLine) { |
183 | 0 | String contents = indent + this + "\n"; |
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185 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
186 | 0 | contents += resourceLoader.getContents(indent + "+++", servicePerLine); |
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} |
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189 | 0 | return contents; |
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} |
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@Override |
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public String toString() { |
194 | 0 | return "Resource Loader: " + this.name + " (" + ObjectUtils.identityToString(this) + ") direct children resource loaders size: " + this.resourceLoaders.size(); |
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} |
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public QName getName() { |
198 | 0 | return this.name; |
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} |
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public void setName(QName name) { |
202 | 0 | this.name = name; |
203 | 0 | } |
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} |