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package org.kuali.rice.core.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.lifecycle.BaseLifecycle; |
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import org.kuali.rice.core.reflect.ObjectDefinition; |
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import org.kuali.rice.core.resourceloader.ResourceLoader; |
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public class ResourceLoaderContainer extends BaseLifecycle implements ResourceLoader { |
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| 41 | 0 | private static final Logger LOG = Logger.getLogger(ResourceLoaderContainer.class); |
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private QName name; |
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| 45 | 0 | private List<ResourceLoader> resourceLoaders = new ArrayList<ResourceLoader>(); |
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| 47 | 0 | public ResourceLoaderContainer(QName name) { |
| 48 | 0 | this.name = name; |
| 49 | 0 | } |
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public void start() throws Exception { |
| 52 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 53 | 0 | LOG.info("Starting ResourceLoader " + resourceLoader.getName()); |
| 54 | 0 | resourceLoader.start(); |
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} |
| 56 | 0 | super.start(); |
| 57 | 0 | } |
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public void stop() throws Exception { |
| 60 | 0 | while (!this.resourceLoaders.isEmpty()) { |
| 61 | 0 | ResourceLoader rl = this.resourceLoaders.get(this.resourceLoaders.size() - 1); |
| 62 | 0 | rl.stop(); |
| 63 | 0 | this.resourceLoaders.remove(rl); |
| 64 | 0 | } |
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| 66 | 0 | super.stop(); |
| 67 | 0 | this.resourceLoaders.clear(); |
| 68 | 0 | } |
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public void addResourceLoader(ResourceLoader resourceLoader) { |
| 71 | 0 | this.resourceLoaders.add(resourceLoader); |
| 72 | 0 | } |
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public void addResourceLoaderFirst(ResourceLoader resourceLoader) { |
| 75 | 0 | this.resourceLoaders.add(0, resourceLoader); |
| 76 | 0 | } |
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public boolean containsResourceLoader(ResourceLoader resourceLoader) { |
| 79 | 0 | return this.resourceLoaders.contains(resourceLoader); |
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} |
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public ResourceLoader getResourceLoader(QName name) { |
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| 84 | 0 | if (this.getName().equals(name)) { |
| 85 | 0 | return this; |
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} |
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| 88 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
| 89 | 0 | ResourceLoader loader = iter.next(); |
| 90 | 0 | if (loader.getName().equals(name)) { |
| 91 | 0 | return loader; |
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} |
| 93 | 0 | ResourceLoader loader2 = loader.getResourceLoader(name); |
| 94 | 0 | if (loader2 != null) { |
| 95 | 0 | return loader2; |
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} |
| 97 | 0 | } |
| 98 | 0 | return null; |
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} |
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public List<QName> getResourceLoaderNames() { |
| 102 | 0 | List<QName> names = new ArrayList<QName>(); |
| 103 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
| 104 | 0 | names.add(iter.next().getName()); |
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} |
| 106 | 0 | return names; |
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} |
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public void removeAllResourceLoaders() { |
| 110 | 0 | this.resourceLoaders.clear(); |
| 111 | 0 | } |
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public void removeResourceLoader(QName name) { |
| 114 | 0 | ResourceLoader loaderToRemove = null; |
| 115 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
| 116 | 0 | ResourceLoader loader = iter.next(); |
| 117 | 0 | if (loader.getName().equals(name)) { |
| 118 | 0 | loaderToRemove = loader; |
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} |
| 120 | 0 | } |
| 121 | 0 | if (loaderToRemove != null) { |
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try { |
| 123 | 0 | loaderToRemove.stop(); |
| 124 | 0 | } catch (Exception e) { |
| 125 | 0 | LOG.error("Failed to stop plugin " + loaderToRemove.getName() + " on removal", e); |
| 126 | 0 | } |
| 127 | 0 | this.resourceLoaders.remove(loaderToRemove); |
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} |
| 129 | 0 | } |
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public List<ResourceLoader> getResourceLoaders() { |
| 132 | 0 | return this.resourceLoaders; |
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} |
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public Object getObject(ObjectDefinition definition) { |
| 138 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 139 | 0 | Object object = resourceLoader.getObject(definition); |
| 140 | 0 | if (object != null) { |
| 141 | 0 | return object; |
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} |
| 143 | 0 | } |
| 144 | 0 | return null; |
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} |
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public Object getService(QName qname) { |
| 148 | 0 | if (LOG.isDebugEnabled()) { |
| 149 | 0 | LOG.debug("ResourceLoader " + getName() + " fetching service " + qname); |
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} |
| 151 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 152 | 0 | if (LOG.isDebugEnabled()) { |
| 153 | 0 | LOG.debug("Delegating fetch to " + this); |
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} |
| 155 | 0 | Object service = resourceLoader.getService(qname); |
| 156 | 0 | if (service != null) { |
| 157 | 0 | if (LOG.isDebugEnabled()) { |
| 158 | 0 | LOG.debug("Found service from " + this); |
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} |
| 160 | 0 | return service; |
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} |
| 162 | 0 | } |
| 163 | 0 | return null; |
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} |
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public String getContents(String indent, boolean servicePerLine) { |
| 167 | 0 | String contents = indent + this + "\n"; |
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| 169 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 170 | 0 | contents += resourceLoader.getContents(indent + "+++", servicePerLine); |
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} |
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| 173 | 0 | return contents; |
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} |
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@Override |
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public String toString() { |
| 178 | 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() { |
| 182 | 0 | return this.name; |
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} |
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public void setName(QName name) { |
| 186 | 0 | this.name = name; |
| 187 | 0 | } |
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} |