Example usage for java.lang StringBuffer append

Introduction

In this page you can find the example usage for java.lang StringBuffer append.

Prototype

@Override
public synchronized StringBuffer append(char[] str, int offset, int len) 

Source Link

Usage

From source file:Main.java

public static void main(String[] arg) {

    StringBuffer buffer = new StringBuffer();
    CharSequence cs = "java2s.com";
    buffer.append(cs, 1, 2);
    System.out.println(buffer);/*from   ww w  .  j a v  a 2 s . c o m*/
}

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From source file:Main.java

public static void main(String[] arg) {
    StringBuffer buf = new StringBuffer("1234567890");
    String aString = "abcdefghijk";

    buf.append(aString, 3, 4);

    System.out.println(buf);// w  w w.  j a v  a2  s . c  o m
}

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From source file:Main.java

public static void main(String[] arg) {
    StringBuffer buf = new StringBuffer("::");

    char[] text = { 'i', 's', ' ', 'e', 'x', 'a', 'c', 't', 'l', 'y' };
    buf.append(text, 2, 8);

    System.out.println(buf);//from w ww . j av a 2s . co  m
}

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From source file:Main.java

public static void main(String[] arg) {

    StringBuffer buffer = new StringBuffer();
    char[] chars = new char[] { 'j', 'a', 'v', 'a', '2', 's', '.', 'c', 'o', 'm' };
    buffer.append(chars, 1, 3);
    System.out.println(buffer);/*from  w w  w . j  a  v a2s. co  m*/
}

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From source file:GoogleImages.java

public static void main(String[] args) throws InterruptedException {
    String searchTerm = "s woman"; // term to search for (use spaces to separate terms)
    int offset = 40; // we can only 20 results at a time - use this to offset and get more!
    String fileSize = "50mp"; // specify file size in mexapixels (S/M/L not figured out yet)
    String source = null; // string to save raw HTML source code

    // format spaces in URL to avoid problems
    searchTerm = searchTerm.replaceAll(" ", "%20");

    // get Google image search HTML source code; mostly built from PhyloWidget example:
    // http://code.google.com/p/phylowidget/source/browse/trunk/PhyloWidget/src/org/phylowidget/render/images/ImageSearcher.java
    int offset2 = 0;
    Set urlsss = new HashSet<String>();
    while (offset2 < 600) {
        try {// w ww  .j  a va 2 s . c o m
            URL query = new URL("https://www.google.ru/search?start=" + offset2
                    + "&q=angry+woman&newwindow=1&client=opera&hs=bPE&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiAgcKozIfNAhWoHJoKHSb_AUoQ_AUIBygB&biw=1517&bih=731&dpr=0.9#imgrc=G_1tH3YOPcc8KM%3A");
            HttpURLConnection urlc = (HttpURLConnection) query.openConnection(); // start connection...
            urlc.setInstanceFollowRedirects(true);
            urlc.setRequestProperty("User-Agent", "");
            urlc.connect();
            BufferedReader in = new BufferedReader(new InputStreamReader(urlc.getInputStream())); // stream in HTTP source to file
            StringBuffer response = new StringBuffer();
            char[] buffer = new char[1024];
            while (true) {
                int charsRead = in.read(buffer);
                if (charsRead == -1) {
                    break;
                }
                response.append(buffer, 0, charsRead);
            }
            in.close(); // close input stream (also closes network connection)
            source = response.toString();
        } // any problems connecting? let us know
        catch (Exception e) {
            e.printStackTrace();
        }

        // print full source code (for debugging)
        // println(source);
        // extract image URLs only, starting with 'imgurl'
        if (source != null) {
            //                System.out.println(source);
            int c = StringUtils.countMatches(source, "http://www.vmir.su");
            System.out.println(c);
            int index = source.indexOf("src=");
            System.out.println(source.subSequence(index, index + 200));
            while (index >= 0) {
                System.out.println(index);
                index = source.indexOf("src=", index + 1);
                if (index == -1) {
                    break;
                }
                String rr = source.substring(index,
                        index + 200 > source.length() ? source.length() : index + 200);

                if (rr.contains("\"")) {
                    rr = rr.substring(5, rr.indexOf("\"", 5));
                }
                System.out.println(rr);
                urlsss.add(rr);
            }
        }
        offset2 += 20;
        Thread.sleep(1000);
        System.out.println("off set = " + offset2);

    }

    System.out.println(urlsss);
    urlsss.forEach(new Consumer<String>() {

        public void accept(String s) {
            try {
                saveImage(s, "C:\\Users\\Java\\Desktop\\ang\\" + UUID.randomUUID().toString() + ".jpg");
            } catch (IOException ex) {
                Logger.getLogger(GoogleImages.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    });
    //            String[][] m = matchAll(source, "img height=\"\\d+\" src=\"([^\"]+)\"");

    // older regex, no longer working but left for posterity
    // built partially from: http://www.mkyong.com/regular-expressions/how-to-validate-image-file-extension-with-regular-expression
    // String[][] m = matchAll(source, "imgurl=(.*?\\.(?i)(jpg|jpeg|png|gif|bmp|tif|tiff))");    // (?i) means case-insensitive
    //            for (int i = 0; i < m.length; i++) {                                                          // iterate all results of the match
    //                println(i + ":\t" + m[i][1]);                                                         // print (or store them)**
    //            }
}

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