diff options
Diffstat (limited to 'POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/PolicyValidationController.java')
-rw-r--r-- | POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/PolicyValidationController.java | 661 |
1 files changed, 661 insertions, 0 deletions
diff --git a/POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/PolicyValidationController.java b/POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/PolicyValidationController.java new file mode 100644 index 000000000..55bff24a0 --- /dev/null +++ b/POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/PolicyValidationController.java @@ -0,0 +1,661 @@ +/*- + * ============LICENSE_START======================================================= + * ECOMP Policy Engine + * ================================================================================ + * 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.openecomp.policy.controller; + + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.PrintWriter; +import java.io.StringReader; +import java.nio.charset.StandardCharsets; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Scanner; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import javax.json.Json; +import javax.json.JsonReader; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.parsers.ParserConfigurationException; +import javax.xml.parsers.SAXParser; +import javax.xml.parsers.SAXParserFactory; + +import org.apache.commons.lang.StringUtils; +import org.dom4j.util.XMLErrorHandler; +import org.json.JSONObject; +import org.openecomp.policy.rest.adapter.ClosedLoopFaultBody; +import org.openecomp.policy.rest.adapter.ClosedLoopPMBody; +import org.openecomp.policy.rest.adapter.PolicyRestAdapter; +import org.openecomp.policy.rest.dao.CommonClassDao; +import org.openecomp.policy.rest.jpa.MicroServiceModels; +import org.openecomp.policy.rest.jpa.SafePolicyWarning; +import org.openecomp.policy.utils.PolicyUtils; +import org.openecomp.portalsdk.core.controller.RestrictedBaseController; +import org.openecomp.portalsdk.core.web.support.JsonMessage; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.servlet.ModelAndView; +import org.xml.sax.InputSource; +import org.xml.sax.SAXException; +import org.xml.sax.XMLReader; + +import com.fasterxml.jackson.databind.DeserializationFeature; +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.google.common.base.CharMatcher; +import com.google.common.base.Splitter; +import com.google.common.base.Strings; + +@Controller +@RequestMapping("/") +public class PolicyValidationController extends RestrictedBaseController { + + public static final String CONFIG_POLICY = "Config"; + public static final String ACTION_POLICY = "Action"; + public static final String DECISION_POLICY = "Decision"; + public static final String CLOSEDLOOP_POLICY = "ClosedLoop_Fault"; + public static final String CLOSEDLOOP_PM = "ClosedLoop_PM"; + public static final String ENFORCER_CONFIG_POLICY= "Enforcer Config"; + public static final String MICROSERVICES="Micro Service"; + private Pattern pattern; + private Matcher matcher; + + private static Map<String, String> rangeMap = new HashMap<String,String>(); + private static Map<String, String> mapAttribute = new HashMap<String,String>(); + + private static final String EMAIL_PATTERN = + "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@" + + "[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$"; + + @Autowired + CommonClassDao commonClassDao; + + @RequestMapping(value={"/policyController/validate_policy.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST}) + public ModelAndView validatePolicy(HttpServletRequest request, HttpServletResponse response) throws Exception{ + try{ + boolean valid = true; + String responseString = ""; + ObjectMapper mapper = new ObjectMapper(); + mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); + JsonNode root = mapper.readTree(request.getReader()); + PolicyRestAdapter policyData = (PolicyRestAdapter)mapper.readValue(root.get("policyData").toString(), PolicyRestAdapter.class); + if(policyData.getPolicyName() != null){ + String policyNameValidate = emptyValidator(policyData.getPolicyName()); + if(!policyNameValidate.contains("success")){ + responseString = responseString + "PolicyName:" + policyNameValidate + "<br>"; + valid = false; + }; + }else{ + responseString = responseString + "PolicyName: PolicyName Should not be empty" + "<br>"; + valid = false; + } + if(policyData.getPolicyDescription() != null){ + String descriptionValidate = descriptionValidator(policyData.getPolicyDescription()); + if(!descriptionValidate.contains("success")){ + responseString = responseString + "Description:" + descriptionValidate + "<br>"; + valid = false; + } + } + + if(policyData.getPolicyType().equals(CONFIG_POLICY)){ + if (policyData.getConfigPolicyType().equals("Base") || policyData.getConfigPolicyType().equals(CLOSEDLOOP_POLICY) + || policyData.getConfigPolicyType().equals(CLOSEDLOOP_PM) || policyData.getConfigPolicyType().equals(ENFORCER_CONFIG_POLICY) || policyData.getConfigPolicyType().equals(MICROSERVICES)) { + if(policyData.getEcompName() != null){ + String ecompNameValidate = emptyValidator(policyData.getEcompName()); + if(!ecompNameValidate.contains("success")){ + responseString = responseString + "EcompName:" + ecompNameValidate + "<br>"; + valid = false; + } + }else{ + responseString = responseString + "Ecomp Name: Ecomp Name Should not be empty" + "<br>"; + valid = false; + } + } + + if(policyData.getRiskType() != null){ + String riskTypeValidate = emptyValidator(policyData.getRiskType()); + if(!riskTypeValidate.contains("success")){ + responseString = responseString + "RiskType:" + riskTypeValidate + "<br>"; + valid = false; + } + }else { + responseString = responseString + "Risk Type: Risk Type Should not be Empty" + "<br>"; + valid = false; + } + + if(policyData.getRiskLevel() != null){ + String validateRiskLevel = emptyValidator(policyData.getRiskLevel()); + if(!validateRiskLevel.contains("success")){ + responseString = responseString + "RiskLevel:" + validateRiskLevel + "<br>"; + valid = false; + } + }else { + responseString = responseString + "Risk Level: Risk Level Should not be Empty" + "<br>"; + valid = false; + } + + if(policyData.getGuard() != null){ + String validateGuard = emptyValidator(policyData.getGuard()); + if(!validateGuard.contains("success")){ + responseString = responseString + "Guard:" + validateGuard + "<br>"; + valid = false; + } + }else { + responseString = responseString + "Guard: Guard Value Should not be Empty" + "<br>"; + valid = false; + } + + if(policyData.getConfigPolicyType().equals("Base")){ + if(policyData.getConfigName() != null){ + String configNameValidate = emptyValidator(policyData.getConfigName()); + if(!configNameValidate.contains("success")){ + responseString = responseString + "ConfigName:" + configNameValidate + "<br>"; + valid = false; + } + }else{ + responseString = responseString + "Config Name: Config Name Should not be Empty" + "<br>"; + valid = false; + } + if(policyData.getConfigType() != null){ + String configTypeValidate = emptyValidator(policyData.getConfigType()); + if(!configTypeValidate.contains("success")){ + responseString = responseString + "ConfigType:" + configTypeValidate + "<br>"; + valid = false; + } + }else{ + responseString = responseString + "Config Type: Config Type Should not be Empty" + "<br>"; + valid = false; + } + if(policyData.getConfigBodyData() != null){ + String configBodyData = policyData.getConfigBodyData(); + String policyType = policyData.getConfigType(); + if (policyType != null) { + if (policyType.equals("JSON")) { + if (!isJSONValid(configBodyData)) { + responseString = responseString + "Config Body: JSON Content is not valid" + "<br>"; + valid = false; + } + } else if (policyType.equals("XML")) { + if (!isXMLValid(configBodyData)) { + responseString = responseString + "Config Body: XML Content data is not valid" + "<br>"; + valid = false; + } + } else if (policyType.equals("PROPERTIES")) { + if (!isPropValid(configBodyData)||configBodyData.equals("")) { + responseString = responseString + "Config Body: Property data is not valid" + "<br>"; + valid = false; + } + } else if (policyType.equals("OTHER")) { + if (configBodyData.equals("")) { + responseString = responseString + "Config Body: Config Body Should not be Empty" + "<br>"; + valid = false; + } + } + } + }else{ + responseString = responseString + "Config Body: Config Body Should not be Empty" + "<br>"; + valid = false; + } + } + + if(policyData.getConfigPolicyType().equals("Firewall Config")){ + if(policyData.getConfigName() != null){ + String configNameValidate = PolicyUtils.emptyPolicyValidator(policyData.getConfigName()); + if(!configNameValidate.contains("success")){ + responseString = responseString + "<b>ConfigName</b>:<i>" + configNameValidate + "</i><br>"; + valid = false; + } + }else{ + responseString = responseString + "<b>Config Name</b>:<i> Config Name is required" + "</i><br>"; + valid = false; + } + if(policyData.getSecurityZone() == null){ + responseString = responseString + "<b>Security Zone</b>:<i> Security Zone is required" + "</i><br>"; + valid = false; + } + } + if(policyData.getConfigPolicyType().equals("BRMS_Param")){ + if(policyData.getRuleName() == null){ + responseString = responseString + "<b>BRMS Template</b>:<i>BRMS Template is required</i><br>"; + valid = false; + } + } + if(policyData.getConfigPolicyType().equals("BRMS_Raw")){ + if(policyData.getConfigBodyData() != null){ + String message = PolicyUtils.brmsRawValidate(policyData.getConfigBodyData()); + // If there are any error other than Annotations then this is not Valid + if(message.contains("[ERR")){ + responseString = responseString + "<b>Raw Rule Validate</b>:<i>Raw Rule has error"+ message +"</i><br>"; + valid = false; + } + }else{ + responseString = responseString + "<b>Raw Rule</b>:<i>Raw Rule is required</i><br>"; + valid = false; + } + } + if(policyData.getConfigPolicyType().equals("ClosedLoop_PM")){ + try{ + if(root.get("policyData").get("verticaMetrics").get("serviceTypePolicyName") == null && policyData.getServiceTypePolicyName().isEmpty()){ + responseString = responseString + "<b>ServiceType PolicyName</b>:<i>ServiceType PolicyName is required</i><br>"; + valid = false; + } + }catch(Exception e){ + responseString = responseString + "<b>ServiceType PolicyName</b>:<i>ServiceType PolicyName is required</i><br>"; + valid = false; + } + + if(root.get("policyData").get("jsonBodyData") != null){ + ClosedLoopPMBody pmBody = (ClosedLoopPMBody)mapper.readValue(root.get("policyData").get("jsonBodyData").toString(), ClosedLoopPMBody.class); + if(pmBody.getEmailAddress() != null){ + String result = emailValidation(pmBody.getEmailAddress(), responseString); + if(result != "success"){ + responseString = result + "<br>"; + valid = false; + } + } + if(pmBody.getGeoLink() != null){ + String result = PolicyUtils.emptyPolicyValidator(pmBody.getGeoLink()); + if(!result.contains("success")){ + responseString = responseString + "<b>GeoLink</b>:<i>" + result + "</i><br>"; + valid = false; + }; + } + if(pmBody.getAttributes() != null){ + for(Entry<String, String> entry : pmBody.getAttributes().entrySet()){ + String key = entry.getKey(); + String value = entry.getValue(); + if(!key.contains("Message")){ + String attributeValidate = PolicyUtils.emptyPolicyValidator(value); + if(!attributeValidate.contains("success")){ + responseString = responseString + "<b>Attributes</b>:<i>" + key + " : value has spaces</i><br>"; + valid = false; + }; + } + } + } + }else{ + responseString = responseString + "<b>D2/Virtualized Services</b>:<i>Select atleast one D2/Virtualized Services</i><br>"; + valid = false; + } + } + if(policyData.getConfigPolicyType().equals("ClosedLoop_Fault")){ + if(root.get("policyData").get("jsonBodyData") != null){ + ClosedLoopFaultBody faultBody = (ClosedLoopFaultBody)mapper.readValue(root.get("policyData").get("jsonBodyData").toString(), ClosedLoopFaultBody.class); + if(faultBody.getEmailAddress() != null){ + String result = emailValidation(faultBody.getEmailAddress(), responseString); + if(result != "success"){ + responseString = result+ "<br>"; + valid = false; + } + } + if((faultBody.isGama() || faultBody.isMcr() || faultBody.isTrinity() || faultBody.isvDNS() || faultBody.isvUSP()) != true){ + responseString = responseString + "<b>D2/Virtualized Services</b>:<i>Select atleast one D2/Virtualized Services</i><br>"; + valid = false; + } + if(faultBody.getActions() == null){ + responseString = responseString + "<b>vPRO Actions</b>:<i>vPRO Actions is required</i><br>"; + valid = false; + } + if(faultBody.getAgingWindow() == 0){ + responseString = responseString + "<b>Aging Window</b>:<i>Aging Window is required</i><br>"; + valid = false; + } + if(faultBody.getClosedLoopPolicyStatus() == null){ + responseString = responseString + "<b>Policy Status</b>:<i>Policy Status is required</i><br>"; + valid = false; + } + if(faultBody.getConditions() == null){ + responseString = responseString + "<b>Conditions</b>:<i>Select Atleast one Condition</i><br>"; + valid = false; + } + if(faultBody.getGeoLink() != null){ + String result = PolicyUtils.emptyPolicyValidator(faultBody.getGeoLink()); + if(!result.contains("success")){ + responseString = responseString + "<b>GeoLink</b>:<i>" + result + "</i><br>"; + valid = false; + }; + } + + if(faultBody.getTimeInterval() == 0){ + responseString = responseString + "<b>Time Interval</b>:<i>Time Interval is required</i><br>"; + valid = false; + } + if(faultBody.getRetrys() == 0){ + responseString = responseString + "<b>Number of Retries</b>:<i>Number of Retries is required</i><br>"; + valid = false; + } + if(faultBody.getTimeOutvPRO() == 0){ + responseString = responseString + "<b>APP-C Timeout</b>:<i>APP-C Timeout is required</i><br>"; + valid = false; + } + if(faultBody.getTimeOutRuby() == 0){ + responseString = responseString + "<b>TimeOutRuby</b>:<i>TimeOutRuby is required</i><br>"; + valid = false; + } + if(faultBody.getVnfType() == null){ + responseString = responseString + "<b>Vnf Type</b>:<i>Vnf Type is required</i><br>"; + valid = false; + } + }else{ + responseString = responseString + "<b>D2/Virtualized Services</b>:<i>Select atleast one D2/Virtualized Services</i><br>"; + responseString = responseString + "<b>vPRO Actions</b>:<i>vPRO Actions is required</i><br>"; + responseString = responseString + "<b>Aging Window</b>:<i>Aging Window is required</i><br>"; + responseString = responseString + "<b>Policy Status</b>:<i>Policy Status is required</i><br>"; + responseString = responseString + "<b>Conditions</b>:<i>Select Atleast one Condition</i><br>"; + responseString = responseString + "<b>PEP Name</b>:<i>PEP Name is required</i><br>"; + responseString = responseString + "<b>PEP Action</b>:<i>PEP Action is required</i><br>"; + responseString = responseString + "<b>Time Interval</b>:<i>Time Interval is required</i><br>"; + responseString = responseString + "<b>Number of Retries</b>:<i>Number of Retries is required</i><br>"; + responseString = responseString + "<b>APP-C Timeout</b>:<i>APP-C Timeout is required</i><br>"; + responseString = responseString + "<b>TimeOutRuby</b>:<i>TimeOutRuby is required</i><br>"; + responseString = responseString + "<b>Vnf Type</b>:<i>Vnf Type is required</i><br>"; + valid = false; + } + } + + if (policyData.getConfigPolicyType().contains("Micro Service")){ + if(policyData.getServiceType() != null){ + pullJsonKeyPairs(root.get("policyJSON")); + MicroServiceModels returnModel = new MicroServiceModels(); + String service = null; + String version = null; + if (policyData.getServiceType().contains("-v")){ + service = policyData.getServiceType().split("-v")[0]; + version = policyData.getServiceType().split("-v")[1]; + }else { + service = policyData.getServiceType(); + version = policyData.getVersion(); + } + returnModel = getAttributeObject(service, version); + String annoation = returnModel.getAnnotation(); + if (!Strings.isNullOrEmpty(annoation)){ + rangeMap = new HashMap<String,String>(); + rangeMap = Splitter.on(",").withKeyValueSeparator("=").split(annoation); + for (Entry<String, String> rMap : rangeMap.entrySet()){ + if (rMap.getValue().contains("range::")){ + String value = mapAttribute.get(rMap.getKey().trim()); + String[] tempString = rMap.getValue().split("::")[1].split("-"); + int startNum = Integer.parseInt(tempString[0]); + int endNum = Integer.parseInt(tempString[1]); + String returnString = "Invalid Range:" + rMap.getKey() + " must be between " + + startNum + " - " + endNum + ","; + if (isType(value.replace("\"", ""))){ + int result = Integer.parseInt(value.replace("\"", "")); + + + if (result < startNum || result > endNum){ + responseString = responseString + returnString; + valid = false; + } + }else { + responseString = responseString + returnString; + valid = false; + } + } + } + } + //for continue testing for Dkat, just blocked this validation until fixing it. gw1218 on 3/30/17 + //if (!checkAttributeValues()){ + //responseString = responseString + "<b>Micro Service</b>:<i> Attribute Values Missing" + "</i><br>"; + //valid = false; + //} + + }else{ + responseString = responseString + "<b>Micro Service</b>:<i> Micro Service is required" + "</i><br>"; + valid = false; + } + + if(policyData.getPriority() == null){ + responseString = responseString + "<b>Priority</b>:<i> Priority is required" + "</i><br>"; + valid = false; + } + } + } + if (policyData.getPolicyType().equals(DECISION_POLICY)){ + if(policyData.getEcompName() != null){ + String ecompNameValidate = emptyValidator(policyData.getEcompName()); + if(!ecompNameValidate.contains("success")){ + responseString = responseString + "EcompName:" + ecompNameValidate + "<br>"; + valid = false; + } + }else{ + responseString = responseString + "Ecomp Name: Ecomp Name Should not be empty" + "<br>"; + valid = false; + } + + } + + if(policyData.getPolicyType().equals(ACTION_POLICY)){ + if(policyData.getActionPerformer() != null){ + String actionPerformer = emptyValidator(policyData.getActionPerformer()); + if(!actionPerformer.contains("success")){ + responseString = responseString + "ActionPerformer:" + actionPerformer + "<br>"; + valid = false; + }; + }else{ + responseString = responseString + "ActionPerformer: ActionPerformer Should not be empty" + "<br>"; + valid = false; + } + if(policyData.getActionAttributeValue() != null){ + String actionAttribute = emptyValidator(policyData.getActionAttributeValue()); + if(!actionAttribute.contains("success")){ + responseString = responseString + "ActionAttribute:" + actionAttribute + "<br>"; + valid = false; + }; + }else{ + responseString = responseString + "ActionAttribute: ActionAttribute Should not be empty" + "<br>"; + valid = false; + } + } + + if(policyData.getPolicyType().equals(CONFIG_POLICY)){ + if(valid){ + List<Object> spData = commonClassDao.getDataById(SafePolicyWarning.class, "riskType", policyData.getRiskType()); + if (!spData.isEmpty()){ + SafePolicyWarning safePolicyWarningData = (SafePolicyWarning) spData.get(0); + safePolicyWarningData.getMessage(); + responseString = responseString + "Messaage:" + safePolicyWarningData.getMessage(); + } + responseString = "success" + "@#"+ responseString; + } + }else{ + if(valid){ + responseString = "success"; + } + } + + PrintWriter out = response.getWriter(); + JsonMessage msg = new JsonMessage(mapper.writeValueAsString(responseString)); + JSONObject j = new JSONObject(msg); + out.write(j.toString()); + + return null; + } + catch (Exception e){ + response.setCharacterEncoding("UTF-8"); + request.setCharacterEncoding("UTF-8"); + PrintWriter out = response.getWriter(); + out.write(e.getMessage()); + } + return null; + } + + protected String emptyValidator(String field){ + String error = "success"; + if (field.equals("") || field.contains(" ") || !field.matches("^[a-zA-Z0-9_]*$")) { + error = "The Value in Required Field will allow only '{0-9}, {a-z}, {A-Z}, _' following set of Combinations"; + return error; + } else { + if(CharMatcher.ASCII.matchesAllOf((CharSequence) field)){ + error = "success"; + }else{ + error = "The Value Contains Non ASCII Characters"; + return error; + } + } + return error; + } + + protected String descriptionValidator(String field) { + String error = "success"; + if (field.contains("@CreatedBy:") || field.contains("@ModifiedBy:")) { + error = "The value in the description shouldn't contain @CreatedBy: or @ModifiedBy:"; + return error; + } else { + error = "success"; + } + return error; + } + + public String validateEmailAddress(String emailAddressValue) { + String error = "success"; + List<String> emailList = Arrays.asList(emailAddressValue.toString().split(",")); + for(int i =0 ; i < emailList.size() ; i++){ + pattern = Pattern.compile(EMAIL_PATTERN); + matcher = pattern.matcher(emailList.get(i).trim()); + if(!matcher.matches()){ + error = "Please check the Following Email Address is not Valid .... " +emailList.get(i).toString(); + return error; + }else{ + error = "success"; + } + } + return error; + } + + protected String emailValidation(String email, String responseString){ + if(email != null){ + String validateEmail = PolicyUtils.validateEmailAddress(email.replace("\"", "")); + if(!validateEmail.contains("success")){ + responseString = responseString + "<b>Email</b>:<i>" + validateEmail+ "</i><br>"; + }else{ + return "success"; + } + } + return responseString; + } + + private MicroServiceModels getAttributeObject(String name, String version) { + MicroServiceModels workingModel = new MicroServiceModels(); + List<Object> microServiceModelsData = commonClassDao.getDataById(MicroServiceModels.class, "modelName:version", name+":"+version); + if(microServiceModelsData != null){ + workingModel = (MicroServiceModels) microServiceModelsData.get(0); + } + return workingModel; + } + + private void pullJsonKeyPairs(JsonNode rootNode) { + Iterator<Map.Entry<String, JsonNode>> fieldsIterator = rootNode.fields(); + + while (fieldsIterator.hasNext()) { + Map.Entry<String, JsonNode> field = fieldsIterator.next(); + final String key = field.getKey(); + final JsonNode value = field.getValue(); + if (value.isContainerNode() && !value.isArray()) { + pullJsonKeyPairs(value); // RECURSIVE CALL + } else { + if (value.isArray()){ + String newValue = StringUtils.replaceEach(value.toString(), new String[]{"[", "]", "\""}, new String[]{"", "", ""}); + mapAttribute.put(key, newValue); + }else { + mapAttribute.put(key, value.toString().trim()); + } + } + } + } + + private Boolean isType(String testStr) { + try { + Integer.parseInt(testStr); + return true; + } catch(Exception e) { + return false; + } + } + + // Validation for json. + protected static boolean isJSONValid(String data) { + try { + new JSONObject(data); + InputStream stream = new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)); + JsonReader jsonReader = Json.createReader(stream); + System.out.println("Json Value is: " + jsonReader.read().toString() ); + } catch (Exception e) { + e.printStackTrace(); + return false; + } + return true; + } + + // Validation for XML. + private boolean isXMLValid(String data) { + SAXParserFactory factory = SAXParserFactory.newInstance(); + factory.setValidating(false); + factory.setNamespaceAware(true); + try { + SAXParser parser = factory.newSAXParser(); + XMLReader reader = parser.getXMLReader(); + reader.setErrorHandler(new XMLErrorHandler()); + reader.parse(new InputSource(new StringReader(data))); + } catch (ParserConfigurationException e) { + return false; + } catch (SAXException e) { + return false; + } catch (IOException e) { + return false; + } + return true; + } + + // Validation for Properties file. + public boolean isPropValid(String prop) { + Scanner scanner = new Scanner(prop); + while (scanner.hasNextLine()) { + String line = scanner.nextLine(); + line.replaceAll("\\s+", ""); + if (line.startsWith("#")) { + continue; + } else { + if (line.contains("=")) { + String[] parts = line.split("="); + if (parts.length < 2) { + scanner.close(); + return false; + } + } else { + scanner.close(); + return false; + } + } + } + scanner.close(); + return true; + } + +} |