csv.html

jfreechart1。0。2的api。

<FONT color="green">133</FONT>                        keys.add(removeStringDelimiters(key));<a name="line.133"></a>
<FONT color="green">134</FONT>                    }<a name="line.134"></a>
<FONT color="green">135</FONT>                    start = i + 1;<a name="line.135"></a>
<FONT color="green">136</FONT>                    fieldIndex++;<a name="line.136"></a>
<FONT color="green">137</FONT>                }<a name="line.137"></a>
<FONT color="green">138</FONT>            }<a name="line.138"></a>
<FONT color="green">139</FONT>            String key = line.substring(start, line.length());<a name="line.139"></a>
<FONT color="green">140</FONT>            keys.add(removeStringDelimiters(key));<a name="line.140"></a>
<FONT color="green">141</FONT>            return keys;        <a name="line.141"></a>
<FONT color="green">142</FONT>        }<a name="line.142"></a>
<FONT color="green">143</FONT>        <a name="line.143"></a>
<FONT color="green">144</FONT>        /**<a name="line.144"></a>
<FONT color="green">145</FONT>         * Extracts the row key and data for a single line from the input source.<a name="line.145"></a>
<FONT color="green">146</FONT>         * <a name="line.146"></a>
<FONT color="green">147</FONT>         * @param line  the line from the input source.<a name="line.147"></a>
<FONT color="green">148</FONT>         * @param dataset  the dataset to be populated.<a name="line.148"></a>
<FONT color="green">149</FONT>         * @param columnKeys  the column keys.<a name="line.149"></a>
<FONT color="green">150</FONT>         */<a name="line.150"></a>
<FONT color="green">151</FONT>        private void extractRowKeyAndData(String line,<a name="line.151"></a>
<FONT color="green">152</FONT>                                          DefaultCategoryDataset dataset,<a name="line.152"></a>
<FONT color="green">153</FONT>                                          List columnKeys) {<a name="line.153"></a>
<FONT color="green">154</FONT>            Comparable rowKey = null;<a name="line.154"></a>
<FONT color="green">155</FONT>            int fieldIndex = 0;<a name="line.155"></a>
<FONT color="green">156</FONT>            int start = 0;<a name="line.156"></a>
<FONT color="green">157</FONT>            for (int i = 0; i &lt; line.length(); i++) {<a name="line.157"></a>
<FONT color="green">158</FONT>                if (line.charAt(i) == this.fieldDelimiter) {<a name="line.158"></a>
<FONT color="green">159</FONT>                    if (fieldIndex == 0) {  // first field contains the row key<a name="line.159"></a>
<FONT color="green">160</FONT>                        String key = line.substring(start, i);<a name="line.160"></a>
<FONT color="green">161</FONT>                        rowKey = removeStringDelimiters(key);<a name="line.161"></a>
<FONT color="green">162</FONT>                    }<a name="line.162"></a>
<FONT color="green">163</FONT>                    else {  // remaining fields contain values<a name="line.163"></a>
<FONT color="green">164</FONT>                        Double value = Double.valueOf(<a name="line.164"></a>
<FONT color="green">165</FONT>                            removeStringDelimiters(line.substring(start, i))<a name="line.165"></a>
<FONT color="green">166</FONT>                        );<a name="line.166"></a>
<FONT color="green">167</FONT>                        dataset.addValue(<a name="line.167"></a>
<FONT color="green">168</FONT>                            value, rowKey, <a name="line.168"></a>
<FONT color="green">169</FONT>                            (Comparable) columnKeys.get(fieldIndex - 1)<a name="line.169"></a>
<FONT color="green">170</FONT>                        );<a name="line.170"></a>
<FONT color="green">171</FONT>                    }<a name="line.171"></a>
<FONT color="green">172</FONT>                    start = i + 1;<a name="line.172"></a>
<FONT color="green">173</FONT>                    fieldIndex++;<a name="line.173"></a>
<FONT color="green">174</FONT>                }<a name="line.174"></a>
<FONT color="green">175</FONT>            }<a name="line.175"></a>
<FONT color="green">176</FONT>            Double value = Double.valueOf(<a name="line.176"></a>
<FONT color="green">177</FONT>                removeStringDelimiters(line.substring(start, line.length()))<a name="line.177"></a>
<FONT color="green">178</FONT>            );<a name="line.178"></a>
<FONT color="green">179</FONT>            dataset.addValue(<a name="line.179"></a>
<FONT color="green">180</FONT>                value, rowKey, (Comparable) columnKeys.get(fieldIndex - 1)<a name="line.180"></a>
<FONT color="green">181</FONT>            ); <a name="line.181"></a>
<FONT color="green">182</FONT>        }<a name="line.182"></a>
<FONT color="green">183</FONT>        <a name="line.183"></a>
<FONT color="green">184</FONT>        /**<a name="line.184"></a>
<FONT color="green">185</FONT>         * Removes the string delimiters from a key (as well as any white space <a name="line.185"></a>
<FONT color="green">186</FONT>         * outside the delimiters).<a name="line.186"></a>
<FONT color="green">187</FONT>         * <a name="line.187"></a>
<FONT color="green">188</FONT>         * @param key  the key (including delimiters).<a name="line.188"></a>
<FONT color="green">189</FONT>         * <a name="line.189"></a>
<FONT color="green">190</FONT>         * @return The key without delimiters.<a name="line.190"></a>
<FONT color="green">191</FONT>         */<a name="line.191"></a>
<FONT color="green">192</FONT>        private String removeStringDelimiters(String key) {<a name="line.192"></a>
<FONT color="green">193</FONT>            String k = key.trim();<a name="line.193"></a>
<FONT color="green">194</FONT>            if (k.charAt(0) == this.textDelimiter) {<a name="line.194"></a>
<FONT color="green">195</FONT>                k = k.substring(1);<a name="line.195"></a>
<FONT color="green">196</FONT>            }<a name="line.196"></a>
<FONT color="green">197</FONT>            if (k.charAt(k.length() - 1) == this.textDelimiter) {<a name="line.197"></a>
<FONT color="green">198</FONT>                k = k.substring(0, k.length() - 1);<a name="line.198"></a>
<FONT color="green">199</FONT>            }<a name="line.199"></a>
<FONT color="green">200</FONT>            return k;<a name="line.200"></a>
<FONT color="green">201</FONT>        }<a name="line.201"></a>
<FONT color="green">202</FONT>        <a name="line.202"></a>
<FONT color="green">203</FONT>    }<a name="line.203"></a>




























































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