1 files changed, 150 insertions, 0 deletions
diff --git a/src/org/traccar/web/CsvBuilder.java b/src/org/traccar/web/CsvBuilder.java
new file mode 100644
index 000000000..cfebec3b4
--- /dev/null
+++ b/src/org/traccar/web/CsvBuilder.java
@@ -0,0 +1,150 @@
+package org.traccar.web;
+
+import java.beans.Introspector;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Collection;
+import java.util.Date;
+import java.util.Map;
+
+import org.joda.time.DateTime;
+import org.joda.time.format.DateTimeFormatter;
+import org.joda.time.format.ISODateTimeFormat;
+import org.traccar.helper.Log;
+import org.traccar.model.MiscFormatter;
+
+public class CsvBuilder {
+
+    private static final String LINE_ENDING = "\r\n";
+    private static final String SEPARATOR = ";";
+    private static final DateTimeFormatter DATE_FORMAT = ISODateTimeFormat.dateTime();
+
+    private StringBuilder builder = new StringBuilder();
+
+    private void addLineEnding() {
+        builder.append(LINE_ENDING);
+    }
+    private void addSeparator() {
+        builder.append(SEPARATOR);
+    }
+    public void addLine(String value) {
+        if (value != null) {
+            builder.append(value);
+        }
+        addLineEnding();
+    }
+
+    public void addLine(long value) {
+        builder.append(value);
+        addLineEnding();
+    }
+
+    public void addLine(double value) {
+        builder.append(value);
+        addLineEnding();
+    }
+
+    public void addLine(boolean value) {
+        builder.append(value);
+        addLineEnding();
+    }
+
+    public void addField(String value) {
+        builder.append(value);
+        addSeparator();
+    }
+
+    public void addField(long value) {
+        builder.append(value);
+        addSeparator();
+    }
+
+    public void addField(int value) {
+        builder.append(value);
+        addSeparator();
+    }
+
+    public void addField(double value) {
+        builder.append(value);
+        addSeparator();
+    }
+
+    public void addField(boolean value) {
+        builder.append(value);
+        addSeparator();
+    }
+
+    public void addLine(Object object) {
+
+        Method[] methods = object.getClass().getMethods();
+
+        for (Method method : methods) {
+            if (method.getName().startsWith("get") && method.getParameterTypes().length == 0) {
+                try {
+                    if (method.getReturnType().equals(boolean.class)) {
+                        addField((Boolean) method.invoke(object));
+                    } else if (method.getReturnType().equals(int.class)) {
+                        addField((Integer) method.invoke(object));
+                    } else if (method.getReturnType().equals(long.class)) {
+                        addField((Long) method.invoke(object));
+                    } else if (method.getReturnType().equals(double.class)) {
+                        addField((Double) method.invoke(object));
+                    } else if (method.getReturnType().equals(String.class)) {
+                        addField((String) method.invoke(object));
+                    } else if (method.getReturnType().equals(Date.class)) {
+                        Date value = (Date) method.invoke(object);
+                        addField(DATE_FORMAT.print(new DateTime(value)));
+                    } else if (method.getReturnType().equals(Map.class)) {
+                        Map value = (Map) method.invoke(object);
+                        if (value != null) {
+                            addField(MiscFormatter.toJson(value).toString());
+                        }
+                    }
+                } catch (IllegalAccessException | InvocationTargetException error) {
+                    Log.warning(error);
+                }
+            }
+        }
+        addLineEnding();
+    }
+
+    public void addHeaderLine(Object object) {
+        Method[] methods = object.getClass().getMethods();
+
+        for (Method method : methods) {
+            if (method.getName().startsWith("get") && method.getParameterTypes().length == 0) {
+                String name = Introspector.decapitalize(method.getName().substring(3));
+                if (!name.equals("class")) {
+                    addField(name);
+                }
+            }
+        }
+        addLineEnding();
+    }
+
+    public void addArray(Collection<?> array) {
+        for (Object object : array) {
+            switch (object.getClass().getSimpleName().toLowerCase()) {
+                case "string":
+                    addLine(object.toString());
+                    break;
+                case "long":
+                    addLine((long) object);
+                    break;
+                case "double":
+                    addLine((double) object);
+                    break;
+                case "boolean":
+                    addLine((boolean) object);
+                    break;
+                default:
+                    addLine(object);
+                    break;
+            }
+        }
+    }
+
+    public byte[] get() {
+        return String.valueOf(builder).getBytes();
+    }
+}