| package org.apache.karaf.shell.config; |
| |
| import java.util.Dictionary; |
| |
| import org.apache.felix.gogo.commands.Option; |
| import java.util.Properties; |
| import org.osgi.service.cm.Configuration; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| |
| /** |
| * Abstract class which commands that are related to property processing should extend. |
| */ |
| public abstract class ConfigPropertyCommandSupport extends ConfigCommandSupport { |
| |
| @Option(name = "-p", aliases = "--pid", description = "The configuration pid", required = false, multiValued = false) |
| protected String pid; |
| |
| @Option(name = "-b", aliases = { "--bypass-storage" }, multiValued = false, required = false, description = "Do not store the configuration in a properties file, but feed it directly to ConfigAdmin") |
| protected boolean bypassStorage; |
| |
| |
| protected void doExecute(ConfigurationAdmin admin) throws Exception { |
| Dictionary props = getEditedProps(); |
| if (props == null && pid == null) { |
| System.err.println("No configuration is being edited--run the edit command first"); |
| } else { |
| if (props == null) { |
| props = new Properties(); |
| } |
| propertyAction(props); |
| if(requiresUpdate(pid)) { |
| update(admin, pid, props, bypassStorage); |
| } |
| } |
| } |
| |
| /** |
| * Perform an action on the properties. |
| * @param props |
| */ |
| protected abstract void propertyAction(Dictionary props); |
| |
| /** |
| * Checks if the configuration requires to be updated. |
| * The default behavior is to update if a valid pid has been passed to the method. |
| * @param pid |
| * @return |
| */ |
| protected boolean requiresUpdate(String pid) { |
| if (pid != null) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| |
| /** |
| * Retrieves confguration from the pid, if used or delegates to session from getting the configuration. |
| * @return |
| * @throws Exception |
| */ |
| @Override |
| protected Dictionary getEditedProps() throws Exception { |
| if(pid != null) { |
| ConfigurationAdmin configurationAdmin = getConfigurationAdmin(); |
| if (configurationAdmin != null) { |
| Configuration[] configs = configurationAdmin.listConfigurations("(service.pid=" + pid + ")"); |
| if (configs != null && configs.length > 0) { |
| Configuration configuration = configs[0]; |
| if (configuration != null) { |
| return configuration.getProperties(); |
| } |
| } |
| } |
| } |
| return super.getEditedProps(); |
| } |
| } |