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/*-
* ============LICENSE_START=======================================================
* openECOMP : SDN-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.sdnc.vnftools;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
import org.onap.ccsdk.sli.core.slipluginutils.SliPluginUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Map;
import java.util.Properties;
public class VnfTools implements SvcLogicJavaPlugin {
static final String BASE = "base";
static final String FILENAME = "filename";
static final String RESULT_CTX_STRING = "result_ctx_string";
static final String RETURN_KEY = "return-key";
static final String RETURN_PATH = "return-path";
static final String STRING_TO_FIND = "string_to_find";
static final String STRING_TO_SEARCH = "string_to_search";
static final String SUFFIX = "suffix";
static final String TRUE_STRING = "true";
private static final Logger LOG = LoggerFactory.getLogger(VnfTools.class);
public VnfTools() {
}
public void checkIfActivateReady(Map<String, String> parameters, SvcLogicContext ctx) throws SvcLogicException {
LOG.debug("Checking if enough data is available to send the NCS Activate request...");
SliPluginUtils.checkParameters(parameters, new String[]{RETURN_KEY}, LOG);
setIfNotNull(parameters.get(RETURN_KEY), TRUE_STRING, ctx);
}
/**
* DG node performs a java String.contains(String) and writes true or false
* to a key in context memory.
* @param parameters HashMap in context memory must contain the following keys:
* <ul>
* <li><b>string_to_sear</b> : String to perform java String.contains(String) on</li>
* <li><b>string_to_find</b> : String to find in the string_to_search</li>
* <li><b>result_ctx_string</b> : Context memory key to write the result ("true" or "false") to</li>
* </ul>
* @param ctx Reference to context memory
* @throws SvcLogicException when passed in parameter is not valid
*/
public void stringContains(Map<String, String> parameters, SvcLogicContext ctx) throws SvcLogicException {
SliPluginUtils.checkParameters(
parameters, new String[]{STRING_TO_SEARCH, STRING_TO_FIND, RESULT_CTX_STRING}, LOG);
setIfNotNull(parameters.get(RESULT_CTX_STRING),
Boolean.toString(parameters.get(STRING_TO_SEARCH).contains(parameters.get(STRING_TO_FIND))),
ctx);
}
public void generateName(Map<String, String> parameters, SvcLogicContext ctx) throws SvcLogicException {
LOG.debug("generateName");
SliPluginUtils.checkParameters(parameters, new String[]{BASE, SUFFIX, RETURN_PATH}, LOG);
String base = parameters.get(BASE);
int baseLength = base.length();
if (baseLength < 4) {
String errorMessage = String.format("Parameter(%s) needs at least length 4 but only have %d",
BASE, baseLength);
LOG.error(errorMessage);
throw new SvcLogicException(errorMessage);
}
setIfNotNull(parameters.get(RETURN_PATH), String.format("%s%s%s",
base.substring(0, baseLength - 4), parameters.get(SUFFIX), base.substring(baseLength - 2)),
ctx);
}
private void setIfNotNull(String property, String value, SvcLogicContext ctx) {
if (property != null && value != null) {
LOG.debug("Setting ", property, " to ", value);
ctx.setAttribute(property, value);
}
}
public void printContext(Map<String, String> parameters, SvcLogicContext ctx) throws SvcLogicException {
if (parameters == null) {
throw new SvcLogicException("no parameters passed");
}
String fileName = parameters.get(FILENAME);
if ((fileName == null) || (fileName.length() == 0)) {
throw new SvcLogicException("printContext requires 'filename' parameter");
}
PrintStream pstr = null;
try (FileOutputStream fileStream = new FileOutputStream(new File(fileName), true)){
pstr = new PrintStream(fileStream);
} catch (IOException e1) {
LOG.error("FileOutputStream close exception: ", e1);
}
catch (Exception e) {
throw new SvcLogicException("Cannot open file " + fileName, e);
} finally {
if (pstr != null) {
pstr.println("#######################################");
for (String attr : ctx.getAttributeKeySet()) {
pstr.println(attr + " = " + ctx.getAttribute(attr));
}
pstr.flush();
pstr.close();
}
}
}
static int getArrayLength(SvcLogicContext ctx, String key) {
String value = ctx.getAttribute(key);
try {
return Integer.parseInt(value);
} catch( NumberFormatException e ) {
LOG.debug(String.format("Ctx contained key(%s) value(%s) is not integer", key, value));
}
return 0;
}
static int getArrayLength(SvcLogicContext ctx, String key, String debug) {
try {
return Integer.parseInt(ctx.getAttribute(key));
} catch( NumberFormatException e ) {
LOG.debug(debug);
}
return 0;
}
}
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