| 1 | |
|
| 2 | |
|
| 3 | |
|
| 4 | |
|
| 5 | |
|
| 6 | |
|
| 7 | |
|
| 8 | |
|
| 9 | |
|
| 10 | |
|
| 11 | |
|
| 12 | |
|
| 13 | |
|
| 14 | |
|
| 15 | |
|
| 16 | |
|
| 17 | |
package org.kuali.rice.core.api.resourceloader; |
| 18 | |
|
| 19 | |
import java.util.ArrayList; |
| 20 | |
import java.util.Iterator; |
| 21 | |
import java.util.List; |
| 22 | |
|
| 23 | |
import javax.xml.namespace.QName; |
| 24 | |
|
| 25 | |
import org.apache.commons.lang.ObjectUtils; |
| 26 | |
import org.apache.log4j.Logger; |
| 27 | |
import org.kuali.rice.core.api.lifecycle.BaseLifecycle; |
| 28 | |
import org.kuali.rice.core.api.reflect.ObjectDefinition; |
| 29 | |
|
| 30 | |
|
| 31 | |
|
| 32 | |
|
| 33 | |
|
| 34 | |
|
| 35 | |
|
| 36 | |
|
| 37 | |
|
| 38 | |
public class ResourceLoaderContainer extends BaseLifecycle implements ResourceLoader { |
| 39 | |
|
| 40 | 0 | private static final Logger LOG = Logger.getLogger(ResourceLoaderContainer.class); |
| 41 | |
|
| 42 | |
private QName name; |
| 43 | |
|
| 44 | 0 | private List<ResourceLoader> resourceLoaders = new ArrayList<ResourceLoader>(); |
| 45 | |
|
| 46 | 0 | public ResourceLoaderContainer(QName name) { |
| 47 | 0 | this.name = name; |
| 48 | 0 | } |
| 49 | |
|
| 50 | |
public void start() throws Exception { |
| 51 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 52 | 0 | LOG.info("Starting ResourceLoader " + resourceLoader.getName()); |
| 53 | 0 | resourceLoader.start(); |
| 54 | |
} |
| 55 | 0 | super.start(); |
| 56 | 0 | } |
| 57 | |
|
| 58 | |
public void stop() throws Exception { |
| 59 | 0 | while (!this.resourceLoaders.isEmpty()) { |
| 60 | 0 | ResourceLoader rl = this.resourceLoaders.get(this.resourceLoaders.size() - 1); |
| 61 | 0 | rl.stop(); |
| 62 | 0 | this.resourceLoaders.remove(rl); |
| 63 | 0 | } |
| 64 | |
|
| 65 | 0 | super.stop(); |
| 66 | 0 | this.resourceLoaders.clear(); |
| 67 | 0 | } |
| 68 | |
|
| 69 | |
public void addResourceLoader(ResourceLoader resourceLoader) { |
| 70 | 0 | this.resourceLoaders.add(resourceLoader); |
| 71 | |
|
| 72 | |
|
| 73 | 0 | moveKSBLoadersDownHack(); |
| 74 | 0 | } |
| 75 | |
|
| 76 | |
|
| 77 | |
private void moveKSBLoadersDownHack() { |
| 78 | |
|
| 79 | 0 | for (int i = 0; i < resourceLoaders.size(); i++) { |
| 80 | 0 | final boolean remote = resourceLoaders.get(i).getName().toString().toUpperCase().contains("KSB"); |
| 81 | 0 | if (remote) { |
| 82 | 0 | final ResourceLoader removed = this.resourceLoaders.remove(i); |
| 83 | 0 | this.resourceLoaders.add(this.resourceLoaders.size(), removed); |
| 84 | |
} |
| 85 | |
} |
| 86 | 0 | } |
| 87 | |
|
| 88 | |
public void addResourceLoaderFirst(ResourceLoader resourceLoader) { |
| 89 | 0 | this.resourceLoaders.add(0, resourceLoader); |
| 90 | |
|
| 91 | |
|
| 92 | 0 | moveKSBLoadersDownHack(); |
| 93 | 0 | } |
| 94 | |
|
| 95 | |
public boolean containsResourceLoader(ResourceLoader resourceLoader) { |
| 96 | 0 | return this.resourceLoaders.contains(resourceLoader); |
| 97 | |
} |
| 98 | |
|
| 99 | |
public ResourceLoader getResourceLoader(QName name) { |
| 100 | |
|
| 101 | 0 | if (this.getName().equals(name)) { |
| 102 | 0 | return this; |
| 103 | |
} |
| 104 | |
|
| 105 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
| 106 | 0 | ResourceLoader loader = iter.next(); |
| 107 | 0 | if (loader.getName().equals(name)) { |
| 108 | 0 | return loader; |
| 109 | |
} |
| 110 | 0 | ResourceLoader loader2 = loader.getResourceLoader(name); |
| 111 | 0 | if (loader2 != null) { |
| 112 | 0 | return loader2; |
| 113 | |
} |
| 114 | 0 | } |
| 115 | 0 | return null; |
| 116 | |
} |
| 117 | |
|
| 118 | |
public List<QName> getResourceLoaderNames() { |
| 119 | 0 | List<QName> names = new ArrayList<QName>(); |
| 120 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
| 121 | 0 | names.add(iter.next().getName()); |
| 122 | |
} |
| 123 | 0 | return names; |
| 124 | |
} |
| 125 | |
|
| 126 | |
public void removeAllResourceLoaders() { |
| 127 | 0 | this.resourceLoaders.clear(); |
| 128 | 0 | } |
| 129 | |
|
| 130 | |
public void removeResourceLoader(QName name) { |
| 131 | 0 | ResourceLoader loaderToRemove = null; |
| 132 | 0 | for (Iterator<ResourceLoader> iter = this.resourceLoaders.iterator(); iter.hasNext();) { |
| 133 | 0 | ResourceLoader loader = iter.next(); |
| 134 | 0 | if (loader.getName().equals(name)) { |
| 135 | 0 | loaderToRemove = loader; |
| 136 | |
} |
| 137 | 0 | } |
| 138 | 0 | if (loaderToRemove != null) { |
| 139 | |
try { |
| 140 | 0 | loaderToRemove.stop(); |
| 141 | 0 | } catch (Exception e) { |
| 142 | 0 | LOG.error("Failed to stop plugin " + loaderToRemove.getName() + " on removal", e); |
| 143 | 0 | } |
| 144 | 0 | this.resourceLoaders.remove(loaderToRemove); |
| 145 | |
} |
| 146 | 0 | } |
| 147 | |
|
| 148 | |
public List<ResourceLoader> getResourceLoaders() { |
| 149 | 0 | return this.resourceLoaders; |
| 150 | |
} |
| 151 | |
|
| 152 | |
|
| 153 | |
|
| 154 | |
public Object getObject(ObjectDefinition definition) { |
| 155 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 156 | 0 | Object object = resourceLoader.getObject(definition); |
| 157 | 0 | if (object != null) { |
| 158 | 0 | return object; |
| 159 | |
} |
| 160 | 0 | } |
| 161 | 0 | return null; |
| 162 | |
} |
| 163 | |
|
| 164 | |
public Object getService(QName qname) { |
| 165 | 0 | if (LOG.isDebugEnabled()) { |
| 166 | 0 | LOG.debug("ResourceLoader " + getName() + " fetching service " + qname); |
| 167 | |
} |
| 168 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 169 | 0 | if (LOG.isDebugEnabled()) { |
| 170 | 0 | LOG.debug("Delegating fetch to " + this); |
| 171 | |
} |
| 172 | 0 | Object service = resourceLoader.getService(qname); |
| 173 | 0 | if (service != null) { |
| 174 | 0 | if (LOG.isDebugEnabled()) { |
| 175 | 0 | LOG.debug("Found service from " + this); |
| 176 | |
} |
| 177 | 0 | return service; |
| 178 | |
} |
| 179 | 0 | } |
| 180 | 0 | return null; |
| 181 | |
} |
| 182 | |
|
| 183 | |
public String getContents(String indent, boolean servicePerLine) { |
| 184 | 0 | String contents = indent + this + "\n"; |
| 185 | |
|
| 186 | 0 | for (ResourceLoader resourceLoader : this.resourceLoaders) { |
| 187 | 0 | contents += resourceLoader.getContents(indent + "+++", servicePerLine); |
| 188 | |
} |
| 189 | |
|
| 190 | 0 | return contents; |
| 191 | |
} |
| 192 | |
|
| 193 | |
@Override |
| 194 | |
public String toString() { |
| 195 | 0 | return "Resource Loader: " + this.name + " (" + ObjectUtils.identityToString(this) + ") direct children resource loaders size: " + this.resourceLoaders.size(); |
| 196 | |
} |
| 197 | |
|
| 198 | |
public QName getName() { |
| 199 | 0 | return this.name; |
| 200 | |
} |
| 201 | |
|
| 202 | |
public void setName(QName name) { |
| 203 | 0 | this.name = name; |
| 204 | 0 | } |
| 205 | |
|
| 206 | |
|
| 207 | |
|
| 208 | |
|
| 209 | |
|
| 210 | |
} |