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package org.mule.module.launcher; |
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import org.mule.api.MuleRuntimeException; |
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import org.mule.config.i18n.MessageFactory; |
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import org.mule.module.launcher.descriptor.ApplicationDescriptor; |
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import org.mule.module.launcher.descriptor.DescriptorParser; |
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import org.mule.module.launcher.descriptor.EmptyApplicationDescriptor; |
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import org.mule.module.launcher.descriptor.Preferred; |
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import org.mule.module.launcher.descriptor.PropertiesDescriptorParser; |
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import org.mule.module.reboot.MuleContainerBootstrapUtils; |
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import org.mule.util.FileUtils; |
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import org.mule.util.FilenameUtils; |
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import java.io.File; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.Comparator; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.Map; |
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import javax.imageio.spi.ServiceRegistry; |
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import org.apache.commons.collections.MultiMap; |
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import org.apache.commons.collections.map.MultiValueMap; |
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import org.apache.commons.io.filefilter.WildcardFileFilter; |
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public class DefaultAppBloodhound implements AppBloodhound |
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{ |
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|
47 | 0 | protected Map<String, DescriptorParser> parserRegistry = new HashMap<String, DescriptorParser>(); |
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public DefaultAppBloodhound() |
50 | 0 | { |
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|
52 | 0 | parserRegistry.put("properties", new PropertiesDescriptorParser()); |
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|
54 | 0 | final Iterator<DescriptorParser> it = ServiceRegistry.lookupProviders(DescriptorParser.class); |
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|
56 | 0 | MultiMap overrides = new MultiValueMap(); |
57 | 0 | while (it.hasNext()) |
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{ |
59 | 0 | final DescriptorParser parser = it.next(); |
60 | 0 | overrides.put(parser.getSupportedFormat(), parser); |
61 | 0 | } |
62 | 0 | mergeParserOverrides(overrides); |
63 | 0 | } |
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public ApplicationDescriptor fetch(String appName) throws IOException |
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{ |
67 | 0 | final File appsDir = MuleContainerBootstrapUtils.getMuleAppsDir(); |
68 | 0 | File appDir = new File(appsDir, appName); |
69 | 0 | if(!appDir.exists()) |
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{ |
71 | 0 | throw new MuleRuntimeException( |
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MessageFactory.createStaticMessage( |
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String.format("Application directory does not exist '%s'", appName))); |
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} |
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@SuppressWarnings("unchecked") |
77 | 0 | Collection<File> deployFiles = FileUtils.listFiles(appDir, new WildcardFileFilter("mule-deploy.*"), null); |
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|
80 | 0 | if (deployFiles.isEmpty()) |
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{ |
82 | 0 | return new EmptyApplicationDescriptor(appName); |
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} |
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|
85 | 0 | if (deployFiles.size() > 1) |
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{ |
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|
88 | 0 | throw new MuleRuntimeException( |
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MessageFactory.createStaticMessage( |
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String.format("More than one mule-deploy descriptors found in application '%s'", appName))); |
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} |
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|
94 | 0 | final File descriptorFile = deployFiles.iterator().next(); |
95 | 0 | final String ext = FilenameUtils.getExtension(descriptorFile.getName()); |
96 | 0 | final DescriptorParser descriptorParser = parserRegistry.get(ext); |
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|
98 | 0 | if (descriptorParser == null) |
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{ |
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|
101 | 0 | throw new MuleRuntimeException( |
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MessageFactory.createStaticMessage( |
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String.format("Unsupported deployment descriptor format for app '%s': %s", appName, ext))); |
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} |
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|
106 | 0 | ApplicationDescriptor desc = descriptorParser.parse(descriptorFile); |
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|
108 | 0 | desc.setAppName(appName); |
109 | 0 | return desc; |
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} |
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protected void mergeParserOverrides(MultiMap overrides) |
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{ |
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|
121 | 0 | for (Map.Entry<String, DescriptorParser> entry : parserRegistry.entrySet()) |
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{ |
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@SuppressWarnings("unchecked") |
124 | 0 | final Collection<DescriptorParser> candidates = (Collection<DescriptorParser>) overrides.get(entry.getKey()); |
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|
126 | 0 | if (candidates == null) |
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{ |
128 | 0 | continue; |
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} |
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|
131 | 0 | final ArrayList<DescriptorParser> sorted = new ArrayList<DescriptorParser>(candidates); |
132 | 0 | final Comparator<DescriptorParser> annotationComparator = new Comparator<DescriptorParser>() |
133 | 0 | { |
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public int compare(DescriptorParser p1, DescriptorParser p2) |
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{ |
136 | 0 | final Preferred ann1 = p1.getClass().getAnnotation(Preferred.class); |
137 | 0 | final Preferred ann2 = p2.getClass().getAnnotation(Preferred.class); |
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|
139 | 0 | if (ann1 == null && ann2 == null) |
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{ |
141 | 0 | return 0; |
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} |
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|
144 | 0 | if (ann1 != null && ann2 == null) |
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{ |
146 | 0 | return 1; |
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} |
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|
149 | 0 | if (ann1 == null) |
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{ |
151 | 0 | return -1; |
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} |
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|
155 | 0 | return new Integer(ann1.weight()).compareTo(ann2.weight()); |
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} |
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}; |
158 | 0 | Collections.sort(sorted, Collections.reverseOrder(annotationComparator)); |
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|
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|
161 | 0 | parserRegistry.put(entry.getKey(), sorted.get(0)); |
162 | 0 | } |
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|
164 | 0 | } |
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} |