Including the option name in the conversion error message

1 files changed, 21 insertions, 0 deletions

diff --git a/src/main/java/com/beust/jcommander/converters/BaseConverter.java b/src/main/java/com/beust/jcommander/converters/BaseConverter.java
new file mode 100644
index 0000000..94ceaf8
--- /dev/null
+++ b/src/main/java/com/beust/jcommander/converters/BaseConverter.java
@@ -0,0 +1,21 @@
+package com.beust.jcommander.converters;
+
+import com.beust.jcommander.IStringConverter;
+
+abstract public class BaseConverter<T> implements IStringConverter<T> {
+
+  private String m_optionName;
+
+  public BaseConverter(String optionName) {
+    m_optionName = optionName;
+  }
+
+  public String getOptionName() {
+    return m_optionName;
+  }
+
+  protected String getErrorString(String value, String to) {
+    return "\"" + getOptionName() + "\": couldn't convert \"" + value + "\" to " + to;
+  }
+
+}