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modules/boe-module-scorm/pom.xml

@@ -29,6 +29,26 @@
 			<groupId>javax.servlet</groupId>
 		    <artifactId>javax.servlet-api</artifactId>
 		    <scope>provided</scope>
+		</dependency>
+		<dependency>
+            <groupId>commons-validator</groupId>
+            <artifactId>commons-validator</artifactId>
+            <version>1.6</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.6</version>
+        </dependency>
+        <dependency>
+            <groupId>dom4j</groupId>
+            <artifactId>dom4j</artifactId>
+            <version>1.6.1</version>
+        </dependency>
+        <dependency>
+            <groupId>net.sourceforge.cardme</groupId>
+            <artifactId>cardme</artifactId>
+            <version>0.4.0</version>
         </dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>

modules/boe-module-scorm/src/main/java/com/xboe/module/scorm/common/CommonUtils.java

@@ -0,0 +1,89 @@
+package com.xboe.module.scorm.common;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.net.URI;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.Set;
+
+import org.apache.commons.lang3.StringUtils;
+
+public class CommonUtils {
+
+    private static final Set<String> LANGUAGE_CODES = new HashSet<>(Arrays.asList(Locale.getISOLanguages()));
+    private static final Set<String> LANGUAGE_SUBCODES = new HashSet<>(Arrays.asList(Locale.getISOCountries()));
+
+    static {
+        Set<String> iso3 = new HashSet<>();
+        for (String languageCode : LANGUAGE_CODES) {
+            try {
+                iso3.add(new Locale(languageCode).getISO3Language());
+            } catch (Exception ignored) {
+
+            }
+        }
+        LANGUAGE_CODES.addAll(iso3);
+    }
+
+    public static String stringifyError(Throwable error) {
+        StringWriter result = new StringWriter();
+        PrintWriter printer = new PrintWriter(result);
+        error.printStackTrace(printer);
+        printer.close();
+        return result.toString();
+    }
+
+    public static String format(String format, Object... objects) {
+        return String.format(format.replace("{}", "%s"), objects);
+    }
+
+    public static boolean isLegalLanguage(String language) {
+        if (StringUtils.isBlank(language)) {
+            return false;
+        }
+        String[] code = language.split("-");
+        boolean result;
+        if (code.length == 1 || code.length == 2) {
+            result = LANGUAGE_CODES.contains(code[0]);
+            if (code.length == 2) {
+                result &= LANGUAGE_SUBCODES.contains(code[1]);
+            }
+        } else {
+            result = false;
+        }
+        return result;
+    }
+
+    public static boolean isLegalURI(String uri) {
+        try {
+            //noinspection ResultOfMethodCallIgnored
+            URI.create(uri);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    public static boolean isLegalTime(String time) {
+        try {
+            Instant.parse(time);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    public static boolean isLegalDuration(String duration) {
+        try {
+            Duration.parse(duration);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+}

modules/boe-module-scorm/src/main/java/com/xboe/module/scorm/common/ID.java

@@ -0,0 +1,65 @@
+package com.xboe.module.scorm.common;
+
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+
+public final class ID {
+
+    private final String identifier;
+
+    private final String lmsContentPackageID;
+
+    private final String lmsLearnerID;
+
+    public ID(String identifier, String lmsContentPackageID, String lmsLearnerID) {
+        this.identifier = identifier;
+        this.lmsContentPackageID = lmsContentPackageID;
+        this.lmsLearnerID = lmsLearnerID;
+    }
+
+    public final String getIdentifier() {
+        return identifier;
+    }
+
+    public final String getLmsContentPackageID() {
+        return lmsContentPackageID;
+    }
+
+    public final String getLmsLearnerID() {
+        return lmsLearnerID;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+
+        if (o == null || getClass() != o.getClass()) return false;
+
+        ID id = (ID) o;
+
+        return new EqualsBuilder()
+                .append(identifier, id.identifier)
+                .append(lmsContentPackageID, id.lmsContentPackageID)
+                .append(lmsLearnerID, id.lmsLearnerID)
+                .isEquals();
+    }
+
+    @Override
+    public int hashCode() {
+        return new HashCodeBuilder(17, 37)
+                .append(identifier)
+                .append(lmsContentPackageID)
+                .append(lmsLearnerID)
+                .toHashCode();
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this)
+                .append("identifier", identifier)
+                .append("lmsContentPackageID", lmsContentPackageID)
+                .append("lmsLearnerID", lmsLearnerID)
+                .toString();
+    }
+}

modules/boe-module-scorm/src/main/java/com/xboe/module/scorm/common/LMSPersistDriver.java

@@ -0,0 +1,11 @@
+package com.xboe.module.scorm.common;
+
+public interface LMSPersistDriver {
+
+    String querySCORMPackageZipFilePathBy(String lmsContentPackageID);
+
+    int queryActivityAttemptCountBy(String lmsContentPackageID, String activityID, String learnerID);
+
+    void saveActivityAttemptCount(String lmsContentPackageID, String activityID, String learnerID, int attemptCount);
+
+}

modules/boe-module-scorm/src/main/java/com/xboe/module/scorm/common/LMSPersistDriverManager.java

@@ -0,0 +1,31 @@
+package com.xboe.module.scorm.common;
+
+public class LMSPersistDriverManager {
+
+    private static LMSPersistDriverManager instance;
+
+    private LMSPersistDriver driver;
+
+    private LMSPersistDriverManager() {
+
+    }
+
+    public static LMSPersistDriverManager getInstance() {
+        if (instance == null) {
+            synchronized (LMSPersistDriverManager.class) {
+                if (instance == null) {
+                    instance = new LMSPersistDriverManager();
+                }
+            }
+        }
+        return instance;
+    }
+
+    public void registerDriver(LMSPersistDriver lmsPersistDriver) {
+        this.driver = lmsPersistDriver;
+    }
+
+    public LMSPersistDriver getDriver() {
+        return driver;
+    }
+}