add commons
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josch
parent
cc94657d18
commit
cc7e10fb45
4 changed files with 231 additions and 0 deletions
48
src/de/unibremen/informatik/hets/common/io/IOUtils.java
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48
src/de/unibremen/informatik/hets/common/io/IOUtils.java
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package de.unibremen.informatik.hets.common.io
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public class IOUtils {
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private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;
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static {
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}
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public IOUtils() {
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super();
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}
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public static long copy(InputStream in, OutputStream out) throws IOException {
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byte[] buf = new byte[DEFAULT_BUFFER_SIZE];
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int nread = 0;
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long count = 0;
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while((nread = in.read(buf)) >= 0) {
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out.write(buf, 0, nread);
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count += nread;
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}
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return count;
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}
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public static long copy(Reader in, Writer out) throws IOException {
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char[] buf = new char[DEFAULT_BUFFER_SIZE];
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int nread = 0;
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long count = 0;
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while((nread = in.read(buf)) >= 0) {
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out.write(buf, 0, nread);
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count += nread;
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}
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return count;
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}
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public static StringWriter getStringWriter(InputStream in) throws IOException {
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StringWriter sw = new StringWriter();
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copy(new InputStreamReader(in), sw);
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return sw;
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}
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public static String getString(InputStream in) throws IOException {
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return getStringWriter(in).toString();
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}
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public static StringBuffer getBuffer(InputStream in) throws IOException {
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return getStringWriter(in).getBuffer();
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}
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}
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package de.unibremen.informatik.hets.common.net;
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import java.net.URLConnection;
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import java.net.URL;
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import java.util.Map;
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import java.util.Iterator;
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import java.util.Random;
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import java.io.IOException;
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import java.io.File;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.FileInputStream;
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public class HttpPostMultipart {
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URLConnection connection;
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OutputStream os = null;
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String boundary = "---------------------------" + randomString() + randomString() + randomString();
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private static Random random = new Random();
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protected void write(String s) throws IOException {
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os.write(s.getBytes());
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}
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protected static String randomString() {
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return Long.toString(random.nextLong(), 36);
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}
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public HttpPostMultipart(URL url) throws IOException {
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connection = url.openConnection();
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connection.setDoOutput(true);
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connection.setRequestProperty("Content-Type",
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"multipart/form-data; boundary=" + boundary);
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os = connection.getOutputStream();
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}
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public InputStream post(Map parameters) throws IOException {
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String name;
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Object object;
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if (parameters != null) {
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for (Iterator i = parameters.entrySet().iterator(); i.hasNext();) {
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Map.Entry entry = (Map.Entry)i.next();
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name = entry.getKey().toString();
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object = entry.getValue();
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write("--" + boundary + "\r\n");
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write("Content-Disposition: form-data; name=\"" + name + "\"");
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if (object instanceof File) {
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write("; filename=\"" + ((File)object).getPath() + "\"\r\n");
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String type = connection.guessContentTypeFromName(((File)object).getPath());
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if (type == null)
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type = "application/octet-stream";
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write("Content-Type: " + type + "\r\n");
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write("\r\n");
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pipe(new FileInputStream((File)object), os);
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} else {
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write("\r\n");
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write("\r\n");
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write(object.toString());
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}
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write("\r\n");
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}
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}
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write("--" + boundary + "--\r\n");
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os.close();
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return connection.getInputStream();
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}
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public static InputStream post(URL url, Map parameters) throws IOException {
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return new HttpPostMultipart(url).post(parameters);
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}
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}
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package de.unibremen.informatik.hets.common.net;
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import java.net.URLConnection;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.Map;
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import java.util.Iterator;
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import java.io.IOException;
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import java.io.File;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.FileInputStream;
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public class HttpPostUrlencoded {
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URLConnection connection;
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OutputStream os = null;
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protected void write(String s) throws IOException {
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os.write(s.getBytes());
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}
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public HttpPostUrlencoded(URL url) throws IOException {
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connection = url.openConnection();
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connection.setDoOutput(true);
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connection.setRequestProperty("Content-Type",
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"application/x-www-form-urlencoded");
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os = connection.getOutputStream();
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}
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public InputStream post(Map parameters) throws IOException {
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String name;
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Object object;
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if (parameters != null) {
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for (Iterator i = parameters.entrySet().iterator(); i.hasNext();) {
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Map.Entry entry = (Map.Entry)i.next();
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name = entry.getKey().toString();
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object = entry.getValue();
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write(name + "=");
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if (object instanceof File) {
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write(URLEncoder.encode(InputStreamToString(new FileInputStream((File)object)), "UTF-8"));
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} else {
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write(object.toString());
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}
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write("&");
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}
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}
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os.close();
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return connection.getInputStream();
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}
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public static InputStream post(URL url, Map parameters) throws IOException {
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return new HttpPostUrlencoded(url).post(parameters);
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}
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}
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57
src/de/unibremen/informatik/hets/common/xml/Dom.java
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57
src/de/unibremen/informatik/hets/common/xml/Dom.java
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package de.unibremen.informatik.hets.common.xml
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public class Dom {
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static {
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}
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public Dom() {
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super();
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}
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public static String getTextContent(Element item) {
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StringBuilder sb = new StringBuilder();
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NodeList list = ((Node)item).getChildNodes();
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for (int i = 0; i < list.getLength(); i++) {
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Node child = list.item(i);
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if (child.getNodeType() == Node.TEXT_NODE) {
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sb.append(child.getNodeValue());
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}
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}
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return sb.toString();
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}
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public static Element getFirstChildElement(Element item) {
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return getFirstChildElement((Node)item);
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}
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public static Element getFirstChildElement(Node item) {
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NodeList list = item.getChildNodes();
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for (int i = 0; i < list.getLength(); i++) {
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Node child = list.item(i);
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if (child.getNodeType() == Node.ELEMENT_NODE) {
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return (Element)child;
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}
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}
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return null;
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}
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public static Node getFirstChild(Node item, String name) {
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NodeList list = item.getChildNodes();
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for (int i = 0; i < list.getLength(); i++) {
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if (list.item(i).getNodeName() == name) {
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return list.item(i);
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}
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}
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return null;
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}
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public static boolean hasChildNode(Node item, String name) {
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NodeList list = item.getChildNodes();
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for (int i = 0; i < list.getLength(); i++) {
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if (list.item(i).getNodeName() == name) {
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return true;
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}
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}
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return false;
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}
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}
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