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+/*
+* Copyright (C) 2012 The Android Open Source Project
+*
+* 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 com.motorolamobility.preflighting.samplechecker.androidlabel.implementation;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import org.eclipse.core.runtime.IStatus;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import com.motorolamobility.preflighting.core.applicationdata.ApplicationData;
+import com.motorolamobility.preflighting.core.applicationdata.Element;
+import com.motorolamobility.preflighting.core.applicationdata.Element.Type;
+import com.motorolamobility.preflighting.core.applicationdata.ElementUtils;
+import com.motorolamobility.preflighting.core.applicationdata.ResourcesFolderElement;
+import com.motorolamobility.preflighting.core.applicationdata.StringsElement;
+import com.motorolamobility.preflighting.core.applicationdata.XMLElement;
+import com.motorolamobility.preflighting.core.checker.condition.CanExecuteConditionStatus;
+import com.motorolamobility.preflighting.core.checker.condition.Condition;
+import com.motorolamobility.preflighting.core.checker.condition.ICondition;
+import com.motorolamobility.preflighting.core.devicespecification.DeviceSpecification;
+import com.motorolamobility.preflighting.core.exception.PreflightingCheckerException;
+import com.motorolamobility.preflighting.core.logging.PreflightingLogger;
+import com.motorolamobility.preflighting.core.utils.CheckerUtils;
+import com.motorolamobility.preflighting.core.validation.ValidationManagerConfiguration;
+import com.motorolamobility.preflighting.core.validation.ValidationResult;
+import com.motorolamobility.preflighting.core.validation.ValidationResultData;
+import com.motorolamobility.preflighting.samplechecker.androidlabel.AndroidLabelActivator;
+import com.motorolamobility.preflighting.samplechecker.androidlabel.i18n.AndroidLabelCheckerNLS;
+
+/**
+ * This Condition verifies whether a given text is a substring of the Android Application Label.
+ * <br><br>
+ * For this condition, a text is entered using the parameter labelText. In order to
+ * have no warnings reported, all resources which the Android Application
+ * Label points out, must have this parameter as a part of its name.
+ */
+public class CorrectTextInLabelCondition extends Condition implements ICondition
+{
+ /**
+ * Represents the AndroidManifest.xml application node.
+ */
+ private static final String MANIFEST_TAG_APPLICATION = "application"; //$NON-NLS-1$
+
+ /**
+ * Represents the AndroidManifest.xml label property name.
+ */
+ private static final String MANIFEST_TAG_LABEL = "android:label"; //$NON-NLS-1$
+
+ /**
+ * Represents the prefix for String resources on the AndroidManifest.xml
+ */
+ private static final String ANDROID_STRING_IDENTIFIER = "@string/"; //$NON-NLS-1$
+
+ private String parameterText;
+
+ /**
+ * Executes the {@link AndroidLabelChecker} validations, which are:
+ * <ul>
+ * <li>The entered label must be contained in the default resource.</li>
+ * <li>The entered label must be contained in all alternative resources.</li>
+ * <li>In case the Application Label is declared inside AndroidManifest.xml, the entered label is contained in it.</li>
+ * </ul>
+ *
+ * @param data Data Structure of the Android Project. It serves for APKs and Android Projects.
+ * @param deviceSpecs Device specifications for phones.
+ * @param platformRules Rules and standards for the Android APi being used.
+ * @param valManagerConfig App Validator Manager configuration.
+ * @param results The results which will be returned from the validation performed in this method.
+ *
+ * @throws PreflightingCheckerException Exception thrown when there are unexpected problems validating
+ * the Android Application.
+ */
+ @Override
+ public void execute(ApplicationData data, List<DeviceSpecification> deviceSpecs,
+ ValidationManagerConfiguration valManagerConfig, ValidationResult results)
+ throws PreflightingCheckerException
+ {
+ // get the label from AndroidManifest.xml
+ XMLElement document = data.getManifestElement();
+ Document manifestDoc = document.getDocument();
+ Node labelNode = getLabelNode(manifestDoc);
+ String androidLabelText = labelNode.getNodeValue();
+
+ // get entered parameter
+ AndroidLabelChecker checker = (AndroidLabelChecker) getChecker();
+ parameterText =
+ checker.getParameters().get(AndroidLabelChecker.PARAMETER_LABEL_TEXT).getValue();
+
+ if (parameterText == null)
+ {
+ PreflightingLogger
+ .debug("Variable parameterText is null. Check if parameter \"labelText\" of checker androidLabel is being set.");
+ }
+
+ // handle case where the label is a resource identifier
+ if (androidLabelText.startsWith(ANDROID_STRING_IDENTIFIER))
+ {
+ analyzeLocalizedLabel(data, valManagerConfig, results, document, androidLabelText);
+ }
+ else
+ {
+ // the label is a hard coded text, check the string itself
+ analyzeHardcodedLabel(valManagerConfig, results, document, labelNode, androidLabelText);
+ }
+ }
+
+ /**
+ * Verify if the label value contains the parameterText.
+ */
+ private void analyzeHardcodedLabel(ValidationManagerConfiguration valManagerConfig,
+ ValidationResult results, XMLElement document, Node labelNode, String androidLabelText)
+ {
+ if ((parameterText != null)
+ && !androidLabelText.toLowerCase().contains(parameterText.toLowerCase()))
+ {
+ List<Integer> lineList = new ArrayList<Integer>();
+ int lineNumber = document.getNodeLineNumber(labelNode);
+ if (lineNumber > 0) //Verify if line number is available.
+ {
+ lineList.add(lineNumber);
+ }
+
+ // create validation result - error structure
+ ValidationResultData result =
+ createValidationResult(
+ AndroidLabelCheckerNLS.bind(
+ AndroidLabelCheckerNLS.CorrectTextInLabelCondition_LabelNotContainedAndroidXML,
+ parameterText),
+ AndroidLabelCheckerNLS
+ .bind(AndroidLabelCheckerNLS.CorrectTextInLabelCondition_AddTextInLabel,
+ parameterText), valManagerConfig, document,
+ parameterText, lineList);
+
+ // add created result to the results list
+ results.addValidationResult(result);
+ }
+ }
+
+ /*
+ * Verify if all string resources (from all locales) referred by the label resource identifier
+ * contains the parameterText
+ */
+ private void analyzeLocalizedLabel(ApplicationData data,
+ ValidationManagerConfiguration valManagerConfig, ValidationResult results,
+ XMLElement document, String androidLabelText)
+ {
+ // get resource identifier
+ String resId = androidLabelText.replace(ANDROID_STRING_IDENTIFIER, ""); //$NON-NLS-1$
+
+ // get resource folder
+ List<Element> folderResElements =
+ ElementUtils.getElementByType(data.getRootElement(), Type.FOLDER_RES);
+ ResourcesFolderElement resFolder =
+ folderResElements.size() > 0 ? (ResourcesFolderElement) folderResElements.get(0)
+ : null;
+
+ // check default locale
+ StringsElement defaultElements = resFolder.getDefaultValuesElement();
+ if (defaultElements != null)
+ {
+ Object value = defaultElements.getValue(resId);
+ androidLabelText = (value != null) ? (String) value : ""; //$NON-NLS-1$
+
+ // execute the checker condition - the entered text must be within the label
+ if ((parameterText != null)
+ && !androidLabelText.toLowerCase().contains(parameterText.toLowerCase()))
+ {
+ // create validation result - error structure
+ ValidationResultData result =
+ createValidationResult(
+ AndroidLabelCheckerNLS.bind(
+ AndroidLabelCheckerNLS.CorrectTextInLabelCondition_LabelReferedAndroidXML,
+ parameterText),
+ AndroidLabelCheckerNLS
+ .bind(AndroidLabelCheckerNLS.CorrectTextInLabelCondition_LabelReferedAndroidXMLDefaultLocale,
+ parameterText), valManagerConfig, document,
+ parameterText, new ArrayList<Integer>());
+
+ // add created result to the results list
+ results.addValidationResult(result);
+ }
+ }
+
+ // check non-default locales
+ if ((resFolder != null) && (resFolder.getAvailableLocales() != null)
+ && (resFolder.getAvailableLocales().size() > 0))
+ {
+ for (Locale locale : resFolder.getAvailableLocales())
+ {
+ String localeText =
+ locale.getLanguage()
+ + ((locale.getCountry() != null)
+ && (locale.getCountry().length() > 0)
+ ? "_" + locale.getCountry() : ""); //$NON-NLS-1$ //$NON-NLS-2$
+
+ // get the android label for each locale
+ StringsElement stringsElement = resFolder.getValuesElement(locale);
+
+ Object value = stringsElement.getValue(resId);
+ androidLabelText = (value != null) ? (String) value : ""; //$NON-NLS-1$
+
+ // execute the checker condition - the entered text must be within the label
+ if (!androidLabelText.toLowerCase().contains(parameterText.toLowerCase()))
+ {
+ // create validation result - error structure
+ ValidationResultData result =
+ createValidationResult(
+ AndroidLabelCheckerNLS.bind(
+ AndroidLabelCheckerNLS.CorrectTextInLabelCondition_LabelReferedAndroidXMLLocale,
+ parameterText, localeText),
+ AndroidLabelCheckerNLS
+ .bind(AndroidLabelCheckerNLS.CorrectTextInLabelCondition_AddLabelAndroidXMLLocale,
+ parameterText, localeText), valManagerConfig,
+ document, parameterText, new ArrayList<Integer>());
+
+ // add created result to the results list
+ results.addValidationResult(result);
+ }
+ }
+ }
+ }
+
+ /**
+ * In order to execute the checker, first several conditions must be verified.
+ * <ul>
+ * <li>There must be an AndroidManifest.xml file in the Android Project.</li>
+ * <li>There must be a label in the AndroidManifest.xml file.</li>
+ * <li>There must be a value for the parameter labelText.</li>
+ * </ul>
+ *
+ * @param data Data structure holding all files, classes and resources of the
+ * APK or Project.
+ * @param deviceSpecs List of device specifications.
+ *
+ * @return Returns the {@link IStatus} which states whether the Checker
+ * can be run.
+ *
+ * @throws PreflightingCheckerException Exception thrown in case there is any problem
+ * verifying the conditions.
+ */
+ @Override
+ public CanExecuteConditionStatus canExecute(ApplicationData data,
+ List<DeviceSpecification> deviceSpecs) throws PreflightingCheckerException
+ {
+ // first check the manifest file status
+ CanExecuteConditionStatus status =
+ CheckerUtils.isAndroidManifestFileExistent(data, getId());
+
+ // there must be parameters AndroidLabelChecker.PARAMETER_LABEL_TEXT set
+ String labelParameterValue =
+ getChecker().getParameters().get(AndroidLabelChecker.PARAMETER_LABEL_TEXT)
+ .getValue();
+ if (labelParameterValue == null)
+ {
+ status =
+ new CanExecuteConditionStatus(IStatus.INFO, AndroidLabelActivator.PLUGIN_ID,
+ AndroidLabelCheckerNLS.CorrectTextInLabelCondition_NoEnteredParamWarn);
+ }
+
+ if (status.getSeverity() != IStatus.ERROR)
+ {
+ // there must be a parameter set
+ AndroidLabelChecker checker = (AndroidLabelChecker) getChecker();
+ if ((checker.getParameters() != null)
+ && checker.getParameters()
+ .containsKey(AndroidLabelChecker.PARAMETER_LABEL_TEXT))
+ {
+
+ XMLElement document = data.getManifestElement();
+ Document manifestDoc = document.getDocument();
+
+ // there must be a label in order to allow the checker execution
+ Node labelNode = getLabelNode(manifestDoc);
+ if ((labelNode != null) && (labelNode.getNodeValue() != null))
+ {
+ status = new CanExecuteConditionStatus(IStatus.OK, getChecker().getId(), ""); //$NON-NLS-1$
+ }
+ else
+ {
+ status =
+ new CanExecuteConditionStatus(
+ IStatus.ERROR,
+ AndroidLabelActivator.PLUGIN_ID,
+ AndroidLabelCheckerNLS.CorrectTextInLabelCondition_AndroidXMlMustHaveLabelRunChecker);
+ }
+ }
+ else
+ {
+ status =
+ new CanExecuteConditionStatus(
+ IStatus.ERROR,
+ AndroidLabelActivator.PLUGIN_ID,
+ AndroidLabelCheckerNLS.CorrectTextInLabelCondition_ExecuteCheckerEnterLabelText);
+ }
+ }
+
+ status.setConditionId(getId());
+
+ return status;
+ }
+
+ /**
+ * Create the {@link ValidationResultData} which represents the error that
+ * has occurred during the validation. It will be reported to the user.
+ *
+ * @param issueDescription The description of the error.
+ * @param quickFixSuggestion The quick-fix-suggestion for the error.
+ * @param valManagerConfig App Validator Manager configuration.
+ * @param document AndroidManifest.xml in a {@link Document} object.
+ * @param parameterText The text entered by the user as a parameter.
+ * @param lineList The list of lines where the error has occurred.
+ *
+ * @return Returns the {@link ValidationResultData} which holds the error
+ * to be displayed by the App Validator.
+ */
+ private ValidationResultData createValidationResult(String issueDescription,
+ String quickFixSuggestion, ValidationManagerConfiguration valManagerConfig,
+ XMLElement document, String parameterText, List<Integer> lineList)
+ {
+ ValidationResultData result = new ValidationResultData();
+ result.setConditionID(getId());
+ result.addFileToIssueLines(document.getFile(), lineList);
+ result.setIssueDescription(issueDescription);
+ result.setQuickFixSuggestion(quickFixSuggestion);
+ result.setInfoURL("http://developer.motorola.com/docstools/library/motodev-app-validator/#androidLabel-findTextInLabel"); //$NON-NLS-1$
+ result.setSeverity(getSeverityLevel());
+ return result;
+ }
+
+ /**
+ * Get the label {@link Node} from the AndroidManifext.xml file
+ * represented as a {@link Document}.
+ * <br>
+ * In case nothing is found, <code>null</code> is returned.
+ *
+ * @param manifestDoc AdnroidManifest.xml file as a {@link Document} where
+ * the label will be sought.
+ *
+ * @return Returns the AndroidManifest.xml label {@link Node}.
+ */
+ private Node getLabelNode(Document manifestDoc)
+ {
+ final int APPLICATION_NODE_INDEX = 0;
+
+ Node labelNode = null;
+
+ NodeList applicationNodes = manifestDoc.getElementsByTagName(MANIFEST_TAG_APPLICATION);
+
+ // there must be one application note, get it
+ Node applicationNode = applicationNodes.item(APPLICATION_NODE_INDEX);
+ if (applicationNode != null)
+ {
+ // get label node
+ labelNode = applicationNode.getAttributes().getNamedItem(MANIFEST_TAG_LABEL);
+ }
+
+ return labelNode;
+ }
+}