From 2aa99351e920f616e5e1e42ca47d745822e7e932 Mon Sep 17 00:00:00 2001
From: Isaac Parenteau <locus2k@gmail.com>
Date: Thu, 13 Sep 2018 20:05:44 -0500
Subject: [PATCH] added converters

---
 .../converters/BooleanConverter.java          | 21 ++++++++++++++++
 .../converters/ByteArrayConverter.java        | 14 +++++++++++
 .../converters/DirectoryConverter.java        | 14 +++++++++++
 .../converters/DirectoryExistConverter.java   | 25 +++++++++++++++++++
 .../argparser/converters/DoubleConverter.java | 12 +++++++++
 .../converters/FileExistConverter.java        | 25 +++++++++++++++++++
 .../argparser/converters/FloatConverter.java  | 12 +++++++++
 .../argparser/converters/LongConverter.java   | 12 +++++++++
 .../argparser/converters/ShortConverter.java  | 12 +++++++++
 9 files changed, 147 insertions(+)
 create mode 100644 src/main/java/net/locusworks/argparser/converters/BooleanConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/ByteArrayConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/DirectoryConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/DirectoryExistConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/DoubleConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/FileExistConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/FloatConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/LongConverter.java
 create mode 100644 src/main/java/net/locusworks/argparser/converters/ShortConverter.java

diff --git a/src/main/java/net/locusworks/argparser/converters/BooleanConverter.java b/src/main/java/net/locusworks/argparser/converters/BooleanConverter.java
new file mode 100644
index 0000000..2fcfd3a
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/BooleanConverter.java
@@ -0,0 +1,21 @@
+package net.locusworks.argparser.converters;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+/**
+ * Converts a DataDiodeProperty value into a boolean value
+ * @author Isaac Parenteau
+ *
+ */
+public class BooleanConverter implements IParameterConverter<Boolean> {
+
+  @Override
+  public Boolean convert(String value) {
+    if (value == null || value.trim().isEmpty()) return false;
+    
+    if (value.trim().toLowerCase().equals("yes")) return true;
+    
+    boolean retVal = Boolean.parseBoolean(value.trim());
+    return retVal;
+  }
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/ByteArrayConverter.java b/src/main/java/net/locusworks/argparser/converters/ByteArrayConverter.java
new file mode 100644
index 0000000..7c9a140
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/ByteArrayConverter.java
@@ -0,0 +1,14 @@
+package net.locusworks.argparser.converters;
+
+import java.nio.charset.StandardCharsets;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+public class ByteArrayConverter implements IParameterConverter<byte[]> {
+
+  @Override
+  public byte[] convert(String value) {
+    return value.getBytes(StandardCharsets.UTF_8);
+  }
+
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/DirectoryConverter.java b/src/main/java/net/locusworks/argparser/converters/DirectoryConverter.java
new file mode 100644
index 0000000..935ad14
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/DirectoryConverter.java
@@ -0,0 +1,14 @@
+package net.locusworks.argparser.converters;
+
+import java.io.File;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+public class DirectoryConverter implements IParameterConverter<File> {
+
+  public File convert(String value) {
+    File file = new File(value);
+    return file;
+  }
+
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/DirectoryExistConverter.java b/src/main/java/net/locusworks/argparser/converters/DirectoryExistConverter.java
new file mode 100644
index 0000000..e5d5c08
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/DirectoryExistConverter.java
@@ -0,0 +1,25 @@
+package net.locusworks.argparser.converters;
+
+import java.io.File;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+/**
+ * Converts a command line argument to a File with verification that the file
+ * exists and is a file nothing else
+ * @author Isaac Parenteau
+ *
+ */
+public class DirectoryExistConverter implements IParameterConverter<File>{
+
+  @Override
+  public File convert(String value) {
+    File f = new File(value);
+    
+    if (!f.exists()) throw new IllegalArgumentException(value + " does not exist");
+    if (!f.isDirectory()) throw new IllegalArgumentException(value + " is not a directory");
+    
+    return new File(value);
+  }
+
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/DoubleConverter.java b/src/main/java/net/locusworks/argparser/converters/DoubleConverter.java
new file mode 100644
index 0000000..e1988f6
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/DoubleConverter.java
@@ -0,0 +1,12 @@
+package net.locusworks.argparser.converters;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+public class DoubleConverter implements IParameterConverter<Double> {
+
+  @Override
+  public Double convert(String value) {
+    return Double.parseDouble(value);
+  }
+
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/FileExistConverter.java b/src/main/java/net/locusworks/argparser/converters/FileExistConverter.java
new file mode 100644
index 0000000..2d45c5e
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/FileExistConverter.java
@@ -0,0 +1,25 @@
+package net.locusworks.argparser.converters;
+
+import java.io.File;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+/**
+ * Converts a command line argument to a File with verification that the file
+ * exists and is a file nothing else
+ * @author Isaac Parenteau
+ *
+ */
+public class FileExistConverter implements IParameterConverter<File>{
+
+  @Override
+  public File convert(String value) {
+    File f = new File(value);
+    
+    if (!f.exists()) throw new IllegalArgumentException(value + " does not exist");
+    if (!f.isFile()) throw new IllegalArgumentException(value + " is not a file");
+    
+    return new File(value);
+  }
+
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/FloatConverter.java b/src/main/java/net/locusworks/argparser/converters/FloatConverter.java
new file mode 100644
index 0000000..da6b7ba
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/FloatConverter.java
@@ -0,0 +1,12 @@
+package net.locusworks.argparser.converters;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+public class FloatConverter implements IParameterConverter<Float> {
+
+  @Override
+  public Float convert(String value) {
+    return Float.parseFloat(value);
+  }
+
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/LongConverter.java b/src/main/java/net/locusworks/argparser/converters/LongConverter.java
new file mode 100644
index 0000000..606b9e9
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/LongConverter.java
@@ -0,0 +1,12 @@
+package net.locusworks.argparser.converters;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+public class LongConverter implements IParameterConverter<Long> {
+
+  @Override
+  public Long convert(String value) {
+    return Long.parseLong(value);
+  }
+
+}
diff --git a/src/main/java/net/locusworks/argparser/converters/ShortConverter.java b/src/main/java/net/locusworks/argparser/converters/ShortConverter.java
new file mode 100644
index 0000000..4c30dd6
--- /dev/null
+++ b/src/main/java/net/locusworks/argparser/converters/ShortConverter.java
@@ -0,0 +1,12 @@
+package net.locusworks.argparser.converters;
+
+import net.locusworks.argparser.interfaces.IParameterConverter;
+
+public class ShortConverter implements IParameterConverter<Short> {
+
+  @Override
+  public Short convert(String value) {
+    return Short.parseShort(value);
+  }
+
+}