io.cloudslang.lang.cli.converters.MapConverter Maven / Gradle / Ivy
/*******************************************************************************
* (c) Copyright 2016 Hewlett-Packard Development Company, L.P.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License v2.0 which accompany this distribution.
*
* The Apache License is available at
* http://www.apache.org/licenses/LICENSE-2.0
*
*******************************************************************************/
package io.cloudslang.lang.cli.converters;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.springframework.shell.core.Completion;
import org.springframework.shell.core.Converter;
import org.springframework.shell.core.MethodTarget;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
/**
* Date: 11/11/2014
*
* @author lesant
*/
@Component
public class MapConverter implements Converter> {
public static final String ESCAPE_EXPRESSION = "\\&^\\&";
@Override
public boolean supports(Class type, String optionContext) {
return Map.class.isAssignableFrom(type);
}
@Override
public Map convertFromText(String value, Class targetType, String optionContext) {
value = value.replace("\\,", ESCAPE_EXPRESSION);
String[] values = StringUtils.commaDelimitedListToStringArray(value);
Map map = new HashMap<>();
for (String v : values) {
String[] keyValue = StringUtils.delimitedListToStringArray(v, "=");
if (keyValue.length == 2) {
keyValue[1] = keyValue[1].replace(ESCAPE_EXPRESSION, ",");
map.put(keyValue[0], keyValue[1]);
} else {
throw new RuntimeException("Input should be in a key=value " +
"comma separated format, e.g. key1=val1,key2=val2 etc.");
}
}
return map;
}
@Override
public boolean getAllPossibleValues(List completions, Class targetType,
String existingData, String optionContext, MethodTarget target) {
return true;
}
}