package hudson.model;
import hudson.util.FormValidation;
import org.jenkinsci.Symbol;
import org.kohsuke.stapler.QueryParameter;
import org.kohsuke.stapler.StaplerRequest;
import org.kohsuke.stapler.DataBoundConstructor;
import org.kohsuke.stapler.export.Exported;
import org.apache.commons.lang.StringUtils;
import net.sf.json.JSONObject;
import hudson.Extension;
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;
/**
* @author huybrechts
*/
public class ChoiceParameterDefinition extends SimpleParameterDefinition {
public static final String CHOICES_DELIMITER = "\\r?\\n";
@Deprecated
public static final String CHOICES_DELIMETER = CHOICES_DELIMITER;
private final List<String> choices;
private final String defaultValue;
public static boolean areValidChoices(String choices) {
String strippedChoices = choices.trim();
return !StringUtils.isEmpty(strippedChoices) && strippedChoices.split(CHOICES_DELIMITER).length > 0;
}
@DataBoundConstructor
public ChoiceParameterDefinition(String name, String choices, String description) {
super(name, description);
this.choices = Arrays.asList(choices.split(CHOICES_DELIMITER));
defaultValue = null;
}
public ChoiceParameterDefinition(String name, String[] choices, String description) {
super(name, description);
this.choices = new ArrayList<String>(Arrays.asList(choices));
defaultValue = null;
}
private ChoiceParameterDefinition(String name, List<String> choices, String defaultValue, String description) {
super(name, description);
this.choices = choices;
this.defaultValue = defaultValue;
}
@Override
public ParameterDefinition copyWithDefaultValue(ParameterValue defaultValue) {
if (defaultValue instanceof StringParameterValue) {
StringParameterValue value = (StringParameterValue) defaultValue;
return new ChoiceParameterDefinition(getName(), choices, value.value, getDescription());
} else {
return this;
}
}
@Exported
public List<String> getChoices() {
return choices;
}
public String getChoicesText() {
return StringUtils.join(choices, "\n");
}
@Override
public StringParameterValue getDefaultParameterValue() {
return new StringParameterValue(getName(), defaultValue == null ? choices.get(0) : defaultValue, getDescription());
}
private StringParameterValue checkValue(StringParameterValue value) {
if (!choices.contains(value.value))
throw new IllegalArgumentException("Illegal choice for parameter " + getName() + ": " + value.value);
return value;
}
@Override
public ParameterValue createValue(StaplerRequest req, JSONObject jo) {
StringParameterValue value = req.bindJSON(StringParameterValue.class, jo);
value.setDescription(getDescription());
return checkValue(value);
}
public StringParameterValue createValue(String value) {
return checkValue(new StringParameterValue(getName(), value, getDescription()));
}
@Extension @Symbol({"choice","choiceParam"})
public static class DescriptorImpl extends ParameterDescriptor {
@Override
public String getDisplayName() {
return Messages.ChoiceParameterDefinition_DisplayName();
}
@Override
public String getHelpFile() {
return "/help/parameter/choice.html";
}
/**
* Checks if parameterised build choices are valid.
*/
public FormValidation doCheckChoices(@QueryParameter String value) {
if (ChoiceParameterDefinition.areValidChoices(value)) {
return FormValidation.ok();
} else {
return FormValidation.error(Messages.ChoiceParameterDefinition_MissingChoices());
}
}
}
}