/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.client.admin.cli.util;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.keycloak.client.admin.cli.common.AttributeOperation;
import org.keycloak.client.admin.cli.common.CmdStdinContext;
import org.keycloak.util.JsonSerialization;
import java.io.IOException;
import java.util.List;
import static org.keycloak.client.admin.cli.util.IoUtil.readFileOrStdin;
import static org.keycloak.client.admin.cli.util.ReflectionUtil.setAttributes;
/**
* @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
*/
public class ParseUtil {
public static String[] parseKeyVal(String keyval) {
// we expect = as a separator
int pos = keyval.indexOf("=");
if (pos <= 0) {
throw new RuntimeException("Invalid key=value parameter: [" + keyval + "]");
}
String [] parsed = new String[2];
parsed[0] = keyval.substring(0, pos);
parsed[1] = keyval.substring(pos+1);
return parsed;
}
public static CmdStdinContext<JsonNode> parseFileOrStdin(String file) {
String content = readFileOrStdin(file).trim();
JsonNode result = null;
if (content.length() == 0) {
throw new RuntimeException("Document provided by --file option is empty");
}
try {
result = JsonSerialization.readValue(content, JsonNode.class);
} catch (JsonParseException e) {
throw new RuntimeException("Not a valid JSON document - " + e.getMessage(), e);
} catch (IOException e) {
throw new RuntimeException("Failed to read the input document as JSON: " + e.getMessage(), e);
} catch (Exception e) {
throw new RuntimeException("Not a valid JSON document", e);
}
CmdStdinContext<JsonNode> ctx = new CmdStdinContext<>();
ctx.setContent(content);
ctx.setResult(result);
return ctx;
}
public static <T> CmdStdinContext<JsonNode> mergeAttributes(CmdStdinContext<JsonNode> ctx, ObjectNode newObject, List<AttributeOperation> attrs) {
String content = ctx.getContent();
JsonNode node = ctx.getResult();
if (node != null && !node.isObject()) {
throw new RuntimeException("Not a JSON object: " + node);
}
ObjectNode result = (ObjectNode) node;
try {
if (result == null) {
try {
result = newObject;
} catch (Throwable e) {
throw new RuntimeException("Failed to instantiate object: " + e.getMessage(), e);
}
}
if (result != null) {
try {
setAttributes(result, attrs);
} catch (AttributeException e) {
throw new RuntimeException("Failed to set attribute '" + e.getAttributeName() + "' on document type '" + result.getClass().getName() + "'", e);
}
content = JsonSerialization.writeValueAsString(result);
} else {
throw new RuntimeException("Setting attributes is not supported for type: " + result.getClass().getName());
}
} catch (IOException e) {
throw new RuntimeException("Failed to merge set attributes with configuration from file", e);
}
ctx.setContent(content);
ctx.setResult(result);
return ctx;
}
}