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Micro Distribution of the Payara Project for IBM JDK
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package org.glassfish.web.plugin.common;
import com.sun.enterprise.config.serverbeans.Application;
import com.sun.enterprise.config.serverbeans.Applications;
import com.sun.enterprise.config.serverbeans.Engine;
import com.sun.enterprise.config.serverbeans.Module;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.glassfish.api.ActionReport;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.web.config.serverbeans.WebModuleConfig;
import javax.inject.Inject;
/**
* Superclass of all web module config-related commands.
*
* All of these commands have the app-name (with perhaps /module-name appended)
* as a required argument.
*
* @author tjquinn
*/
public abstract class WebModuleConfigCommand implements AdminCommand {
private final static String WEB_SNIFFER_TYPE = "web";
private final static String LINE_SEP = System.getProperty("line.separator");
@Param(primary=true)
private String appNameAndOptionalModuleName;
@Inject
private Applications apps;
static final protected LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(WebModuleConfigCommand.class);
protected WebModuleConfig webModuleConfig(final ActionReport report) {
Module m = module(report);
if (m == null) {
return null;
}
WebModuleConfig config = (WebModuleConfig) engine(report).getApplicationConfig();
return config;
}
/**
* Returns the Application corresponding to the app specified in the
* command arguments.
*
* @return Application object for the app
*/
private Application application() {
final Application result = apps.getModule(Application.class,
appName());
return result;
}
private Module module(final ActionReport report) {
final Application app = application();
if (app == null) {
fail(report, "appNotReg","Application {0} not registered",
appName());
return null;
}
/*
* Be helpful by announcing if the user specified a submodule but this
* is not an EAR or if the user did NOT specify a submodule but this IS
* an EAR.
*/
if (app.isStandaloneModule() && appNameAndOptionalModuleName.contains("/")) {
fail(report, "standaloneAppNoSubMods",
"Application {0} is a stand-alone application and contains no submodules but submodule {1} was specified",
appName(),
moduleName());
return null;
}
if ( ! app.isStandaloneModule() && ! appNameAndOptionalModuleName.contains("/")) {
fail(report, "earNoModuleSelection",
"Application {0} is an enterprise application; please also specify one of the web module names ({1}) as part of the command argument (for example, {0}/{2})",
appName(),
webModuleList(app),
app.getModule().get(0).getName());
return null;
}
final Module module = app.getModule(moduleName());
if (module == null) {
if (app.getModule().isEmpty()) {
fail(report, "noWebModules", "Application {0} contains no web modules",
appName());
} else {
fail(report, "noSuchModule","Application {0} contains web modules {1} but {2} is not one of them",
appName(),
webModuleList(app),
moduleName());
}
}
return module;
}
private String webModuleList(final Application app) {
/*
* Build a list of web module names to include in the error message.
*/
final StringBuilder moduleNames = new StringBuilder();
for (Module m : app.getModule()) {
if (m.getEngine("web") != null) {
moduleNames.append((moduleNames.length() > 0 ? ", " : "")).
append(m.getName());
}
}
return moduleNames.toString();
}
protected Engine engine(final ActionReport report) {
Module module = module(report);
if (module == null) {
return null;
}
Engine e = module.getEngine(WEB_SNIFFER_TYPE);
if (e == null) {
fail(report, "noSuchEngine","Application {0}/module {1} does not contain engine {2}",
appName(),
moduleName(),
WEB_SNIFFER_TYPE);
}
return e;
}
/**
* Returns either the explicit module name (if the command argument
* specified one) or the app name. An app can contain a module with the
* same name.
*
* @return module name inferred from the command arguments
*/
protected String moduleName() {
final int endOfAppName = endOfAppName();
return (endOfAppName == appNameAndOptionalModuleName.length()) ?
appNameAndOptionalModuleName :
appNameAndOptionalModuleName.substring(endOfAppName + 1);
}
protected String appName() {
return appNameAndOptionalModuleName.substring(0, endOfAppName());
}
private int endOfAppName() {
final int slash = appNameAndOptionalModuleName.indexOf('/');
return (slash == -1 ? appNameAndOptionalModuleName.length() : slash);
}
protected String appNameAndOptionalModuleName() {
return appNameAndOptionalModuleName;
}
protected ActionReport fail(final ActionReport report,
final Exception e,
final String msgKey,
final String defaultFormat, Object... args) {
report.setFailureCause(e);
final StringBuilder causeMessages = new StringBuilder();
Throwable t = e;
while (t != null) {
causeMessages.append(causeMessages.length() > 1 ? LINE_SEP : "").
append(t.getLocalizedMessage());
t = t.getCause();
}
return fail(report, msgKey, defaultFormat + causeMessages.toString(), args);
}
protected ActionReport fail(final ActionReport report, final String msgKey,
final String defaultFormat, Object... args) {
return finish(report, ActionReport.ExitCode.FAILURE,
msgKey, defaultFormat, args);
}
protected ActionReport succeed(final ActionReport report,
final String msgKey, final String defaultFormat, Object... args) {
return finish(report, ActionReport.ExitCode.SUCCESS,
msgKey, defaultFormat, args);
}
protected String descriptionValueOrNotSpecified(final String value) {
if (value != null) {
return value;
}
return localStrings.getLocalString("notSpecified", "(description not specified)");
}
private ActionReport finish(final ActionReport report,
final ActionReport.ExitCode exitCode,
final String msgKey, final String defaultFormat, Object... args) {
String msg = localStrings.getLocalString(msgKey, defaultFormat, args);
report.setMessage(msg);
report.setActionExitCode(exitCode);
return report;
}
}
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