DataOnDemandCommands.java

package org.springframework.roo.addon.dod;

import org.apache.commons.lang3.Validate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.springframework.roo.classpath.details.BeanInfoUtils;
import org.springframework.roo.model.JavaType;
import org.springframework.roo.model.ReservedWords;
import org.springframework.roo.shell.CliAvailabilityIndicator;
import org.springframework.roo.shell.CliCommand;
import org.springframework.roo.shell.CliOption;
import org.springframework.roo.shell.CommandMarker;

/**
 * Shell commands for creating data-on-demand (DoD) classes.
 * 
 * @author Alan Stewart
 * @since 1.1.3
 */
@Component
@Service
public class DataOnDemandCommands implements CommandMarker {

    @Reference private DataOnDemandOperations dataOnDemandOperations;

    @CliAvailabilityIndicator({ "dod" })
    public boolean isDataOnDemandAvailable() {
        return dataOnDemandOperations.isDataOnDemandInstallationPossible();
    }

    @CliCommand(value = "dod", help = "Creates a new data on demand for the specified entity")
    public void newDod(
            @CliOption(key = "entity", mandatory = false, unspecifiedDefaultValue = "*", optionContext = "update,project", help = "The entity which this data on demand class will create and modify as required") final JavaType entity,
            @CliOption(key = "class", mandatory = false, help = "The class which will be created to hold this data on demand provider (defaults to the entity name + 'DataOnDemand')") JavaType clazz,
            @CliOption(key = "permitReservedWords", mandatory = false, unspecifiedDefaultValue = "false", specifiedDefaultValue = "true", help = "Indicates whether reserved words are ignored by Roo") final boolean permitReservedWords) {

        if (!permitReservedWords) {
            ReservedWords.verifyReservedWordsNotPresent(entity);
        }

        Validate.isTrue(
                BeanInfoUtils.isEntityReasonablyNamed(entity),
                "Cannot create data on demand for an entity named 'Test' or 'TestCase' under any circumstances");

        if (clazz == null) {
            clazz = new JavaType(entity.getFullyQualifiedTypeName()
                    + "DataOnDemand");
        }

        dataOnDemandOperations.newDod(entity, clazz);
    }
}