org.javabuilders.Values Maven / Gradle / Ivy
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/**
*
*/
package org.javabuilders;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Type safe collection that holds a list of values and related information
* @author Jacek Furmankiewicz
*
*/
@SuppressWarnings("serial")
public class Values extends LinkedHashMap {
private Map errorMessages = new HashMap();
private ValueListDefinition definition = null;
/**
* Constructor
*/
public Values() {
this(null);
}
/**
* Constructor
* @param def Value list definition for this value list
*/
public Values(ValueListDefinition def) {
this.definition = def;
}
/**
* @param key Key
* @param value Value
* @param errorMessageFormat Error msg format (for String.format())
* @param messageArgs Format arguments
*/
public void put(K key, V value, String errorMessageFormat, Object... messageArgs) {
put(key,value);
errorMessages.put(key,String.format(errorMessageFormat,messageArgs));
}
/**
* @return True if a validation results is valid, false if not
*/
public boolean isValid(String key) {
return errorMessages.containsKey(key);
}
/**
* @return True if a validation results is valid, false if not
*/
public boolean isValid() {
return errorMessages.size() == 0;
}
/**
* @return All the errors from the invalid validations
*/
public String getErrors() {
StringBuilder builder = new StringBuilder();
for(String msg : errorMessages.values()) {
builder.append(msg);
builder.append("\n");
}
return builder.toString();
}
/**
* @param key Key
* @return Error msg
*/
public String getError(String key) {
return errorMessages.get(key);
}
/**
* @return Value list definition (may be null if none defined)
*/
public ValueListDefinition getDefinition() {
return definition;
}
}