private Reader getWrapperReader()

in src/main/java/org/apache/sling/scripting/core/impl/DefaultSlingScript.java [576:635]
51 lines of code
6 McCabe index (conditional complexity)

    private Reader getWrapperReader(final Reader scriptReader, final String method, final Object... args) {
        final StringBuilder buffer = new StringBuilder(method);
        buffer.append('(');
        for(Object o : args) {
            buffer.append('"');
            buffer.append(o);
            buffer.append('"');
        }
        buffer.append(')');
        final String msg = buffer.toString();
        return new Reader() {

            protected boolean doAppend = false;

            protected StringReader methodReader = new StringReader(msg);
            /**
             * @see java.io.Reader#close()
             */
            @Override
            public void close() throws IOException {
                scriptReader.close();
            }

            @Override
            public int read(char[] cbuf, int start, int len) throws IOException {
                if ( doAppend ) {
                    return methodReader.read(cbuf, start, len);
                }
                int readLen = scriptReader.read(cbuf, start, len);
                if ( readLen == -1 ) {
                    doAppend = true;
                    return this.read(cbuf, start, len);
                }
                return readLen;
            }

            @Override
            public int read() throws IOException {
                if ( doAppend ) {
                    return methodReader.read();
                }
                int value = scriptReader.read();
                if ( value == -1 ) {
                    doAppend = true;
                    return methodReader.read();
                }
                return value;
            }

            @Override
            public int read(char[] cbuf) throws IOException {
                return this.read(cbuf, 0, cbuf.length);
            }

            @Override
            public boolean ready() throws IOException {
                return scriptReader.ready();
            }
        };
    }