standardxyurlgenerator.html

jfreechart1。0。2的api。

<FONT color="green">122</FONT>                );<a name="line.122"></a>
<FONT color="green">123</FONT>            }<a name="line.123"></a>
<FONT color="green">124</FONT>            if (itemParameterName == null) {<a name="line.124"></a>
<FONT color="green">125</FONT>                throw new IllegalArgumentException(<a name="line.125"></a>
<FONT color="green">126</FONT>                    "Null 'itemParameterName' argument."<a name="line.126"></a>
<FONT color="green">127</FONT>                );<a name="line.127"></a>
<FONT color="green">128</FONT>            }<a name="line.128"></a>
<FONT color="green">129</FONT>            this.prefix = prefix;<a name="line.129"></a>
<FONT color="green">130</FONT>            this.seriesParameterName = seriesParameterName;<a name="line.130"></a>
<FONT color="green">131</FONT>            this.itemParameterName = itemParameterName;<a name="line.131"></a>
<FONT color="green">132</FONT>        }<a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>        /**<a name="line.134"></a>
<FONT color="green">135</FONT>         * Generates a URL for a particular item within a series.<a name="line.135"></a>
<FONT color="green">136</FONT>         *<a name="line.136"></a>
<FONT color="green">137</FONT>         * @param dataset  the dataset.<a name="line.137"></a>
<FONT color="green">138</FONT>         * @param series  the series number (zero-based index).<a name="line.138"></a>
<FONT color="green">139</FONT>         * @param item  the item number (zero-based index).<a name="line.139"></a>
<FONT color="green">140</FONT>         *<a name="line.140"></a>
<FONT color="green">141</FONT>         * @return The generated URL.<a name="line.141"></a>
<FONT color="green">142</FONT>         */<a name="line.142"></a>
<FONT color="green">143</FONT>        public String generateURL(XYDataset dataset, int series, int item) {<a name="line.143"></a>
<FONT color="green">144</FONT>            String url = this.prefix;<a name="line.144"></a>
<FONT color="green">145</FONT>            boolean firstParameter = url.indexOf("?") == -1;<a name="line.145"></a>
<FONT color="green">146</FONT>            url += firstParameter ? "?" : "&amp;amp;";<a name="line.146"></a>
<FONT color="green">147</FONT>            url += this.seriesParameterName + "=" + series<a name="line.147"></a>
<FONT color="green">148</FONT>                + "&amp;amp;" + this.itemParameterName + "=" + item;<a name="line.148"></a>
<FONT color="green">149</FONT>            return url;<a name="line.149"></a>
<FONT color="green">150</FONT>        }<a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>        /**<a name="line.152"></a>
<FONT color="green">153</FONT>         * Tests this generator for equality with an arbitrary object.<a name="line.153"></a>
<FONT color="green">154</FONT>         * <a name="line.154"></a>
<FONT color="green">155</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.155"></a>
<FONT color="green">156</FONT>         * <a name="line.156"></a>
<FONT color="green">157</FONT>         * @return A boolean.<a name="line.157"></a>
<FONT color="green">158</FONT>         */<a name="line.158"></a>
<FONT color="green">159</FONT>        public boolean equals(Object obj) {<a name="line.159"></a>
<FONT color="green">160</FONT>            if (obj == this) {<a name="line.160"></a>
<FONT color="green">161</FONT>                return true;   <a name="line.161"></a>
<FONT color="green">162</FONT>            }<a name="line.162"></a>
<FONT color="green">163</FONT>            if (!(obj instanceof StandardXYURLGenerator)) {<a name="line.163"></a>
<FONT color="green">164</FONT>                return false;<a name="line.164"></a>
<FONT color="green">165</FONT>            }<a name="line.165"></a>
<FONT color="green">166</FONT>            StandardXYURLGenerator that = (StandardXYURLGenerator) obj;<a name="line.166"></a>
<FONT color="green">167</FONT>            if (!ObjectUtilities.equal(that.prefix, this.prefix)) {<a name="line.167"></a>
<FONT color="green">168</FONT>                return false;<a name="line.168"></a>
<FONT color="green">169</FONT>            }<a name="line.169"></a>
<FONT color="green">170</FONT>            if (!ObjectUtilities.equal(that.seriesParameterName, <a name="line.170"></a>
<FONT color="green">171</FONT>                    this.seriesParameterName)) {<a name="line.171"></a>
<FONT color="green">172</FONT>                return false;<a name="line.172"></a>
<FONT color="green">173</FONT>            }<a name="line.173"></a>
<FONT color="green">174</FONT>            if (!ObjectUtilities.equal(that.itemParameterName, <a name="line.174"></a>
<FONT color="green">175</FONT>                    this.itemParameterName)) {<a name="line.175"></a>
<FONT color="green">176</FONT>                return false;<a name="line.176"></a>
<FONT color="green">177</FONT>            }<a name="line.177"></a>
<FONT color="green">178</FONT>            return true;<a name="line.178"></a>
<FONT color="green">179</FONT>        }<a name="line.179"></a>
<FONT color="green">180</FONT>        <a name="line.180"></a>
<FONT color="green">181</FONT>    }<a name="line.181"></a>




























































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