corejava第10版

corejava第10版/v2ch08/compiler/StringBuilderJavaSource.java

@@ -0,0 +1,36 @@
+package compiler;
+
+import java.net.*;
+import javax.tools.*;
+
+/**
+ * A Java source that holds the code in a string builder.
+ * @version 1.00 2007-11-02
+ * @author Cay Horstmann
+ */
+public class StringBuilderJavaSource extends SimpleJavaFileObject
+{
+   private StringBuilder code;
+
+   /**
+    * Constructs a new StringBuilderJavaSource.
+    * @param name the name of the source file represented by this file object
+    */
+   public StringBuilderJavaSource(String name)
+   {
+      super(URI.create("string:///" + name.replace('.', '/') + Kind.SOURCE.extension), 
+         Kind.SOURCE);
+      code = new StringBuilder();
+   }
+
+   public CharSequence getCharContent(boolean ignoreEncodingErrors)
+   {
+      return code;
+   }
+
+   public void append(String str)
+   {
+      code.append(str);
+      code.append('\n');
+   }
+}