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package org.mule.config.endpoint; |
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import org.mule.api.DefaultMuleException; |
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import org.mule.api.MuleContext; |
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import org.mule.api.MuleException; |
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import org.mule.api.endpoint.EndpointURI; |
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import org.mule.api.transport.Connector; |
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import org.mule.transport.service.TransportFactory; |
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import org.mule.transport.service.TransportFactoryException; |
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import org.mule.util.BeanUtils; |
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import org.mule.util.ClassUtils; |
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import org.mule.util.PropertiesUtils; |
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import java.io.IOException; |
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import java.net.URL; |
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import java.util.Enumeration; |
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import java.util.Map; |
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import java.util.Properties; |
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public class ConfigurableTransportFactory extends TransportFactory |
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{ |
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public static final String CHANNEL_OVERRIDES = "_configuredConnectorOverrides"; |
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public static final String CHANNEL_OVERRIDES_FILE = "META-INF/services/org/mule/config/channel-overrides.properties"; |
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public static final String SINGLETON_PROPERTY = "singleton"; |
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public static final String TRUE = "TRUE"; |
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private Properties overrides; |
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public ConfigurableTransportFactory(MuleContext muleContext) throws MuleException |
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{ |
40 | 0 | super(muleContext); |
41 | 0 | overrides = (Properties) muleContext.getRegistry().lookupObject(CHANNEL_OVERRIDES); |
42 | 0 | if (overrides == null) |
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{ |
44 | 0 | overrides = loadOverrides(); |
45 | 0 | muleContext.getRegistry().registerObject(CHANNEL_OVERRIDES, overrides); |
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} |
47 | 0 | } |
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@Override |
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public Connector createConnector(EndpointURI endpointURI) throws TransportFactoryException |
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{ |
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Connector c; |
53 | 0 | String scheme = endpointURI.getScheme(); |
54 | 0 | Map temp = new Properties(); |
55 | 0 | PropertiesUtils.getPropertiesWithPrefix(overrides, scheme, temp); |
56 | 0 | temp = PropertiesUtils.removeNamespaces(temp); |
57 | 0 | String singleton = (String) temp.remove(SINGLETON_PROPERTY); |
58 | 0 | if (TRUE.equalsIgnoreCase(singleton)) |
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{ |
60 | 0 | c = this.getConnectorByProtocol(scheme); |
61 | 0 | if (c != null) |
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{ |
63 | 0 | return c; |
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} |
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} |
66 | 0 | c = super.createConnector(endpointURI); |
67 | 0 | BeanUtils.populateWithoutFail(c, temp, true); |
68 | 0 | return c; |
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} |
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protected Properties loadOverrides() throws MuleException |
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{ |
73 | 0 | Properties props = new Properties(); |
74 | 0 | Enumeration e = ClassUtils.getResources(CHANNEL_OVERRIDES_FILE, getClass()); |
75 | 0 | while (e.hasMoreElements()) |
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{ |
77 | 0 | URL url = (URL) e.nextElement(); |
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try |
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{ |
80 | 0 | props.load(url.openStream()); |
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} |
82 | 0 | catch (IOException e1) |
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{ |
84 | 0 | throw new DefaultMuleException("failed to read channel overrides from URL: " + url.toExternalForm()); |
85 | 0 | } |
86 | 0 | } |
87 | 0 | return props; |
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} |
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} |