本文整理汇总了Java中java.io.FileInputStream.available方法的典型用法代码示例。如果您正苦于以下问题：Java FileInputStream.available方法的具体用法？Java FileInputStream.available怎么用？Java FileInputStream.available使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.io.FileInputStream的用法示例。
在下文中一共展示了FileInputStream.available方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getClassData
import java.io.FileInputStream; //导入方法依赖的package包/类
/**
* Get the data from the class file for the specified class. If
* the file can't be found, or the class is not one of the
* special ones listed below, return null.
* Bug4179766Class
* Bug4179766Resource
*/
private byte[] getClassData(String className) {
boolean shouldLoad = className.equals("Bug4179766Class");
shouldLoad = shouldLoad || className.equals("Bug4179766Resource");
if (shouldLoad) {
try {
File file = new File(System.getProperty("test.classes", "."), className+CLASS_SUFFIX);
FileInputStream fi = new FileInputStream(file);
byte[] result = new byte[fi.available()];
fi.read(result);
return result;
} catch (Exception e) {
return null;
}
} else {
return null;
}
}
示例2: fileTxtRead
import java.io.FileInputStream; //导入方法依赖的package包/类
String fileTxtRead(String fileName)
{
String res="";
try
{
File file = new File(fileName);
FileInputStream fis = new FileInputStream(file);
int length = fis.available();
byte [] buffer = new byte[length];
fis.read(buffer);
res = EncodingUtils.getString(buffer, "UTF-8");
fis.close();
}
catch (IOException e)
{
e.printStackTrace();
}
return res;
}
示例3: getDocument
import java.io.FileInputStream; //导入方法依赖的package包/类
private Document getDocument(FileObject fo){
Document result = null;
if (documentPooling) {
result = documentPool().get(fo);
}
if (result != null) return result;
try {
File file = FileUtil.toFile(fo);
FileInputStream fis = new FileInputStream(file);
byte buffer[] = new byte[fis.available()];
result = new org.netbeans.editor.BaseDocument(true, fo.getMIMEType());
result.remove(0, result.getLength());
fis.read(buffer);
fis.close();
String str = new String(buffer);
result.insertString(0,str,null);
} catch (Exception dObjEx) {
return null;
}
if (documentPooling) {
documentPool().put(fo, result);
}
return result;
}
示例4: testBinary
import java.io.FileInputStream; //导入方法依赖的package包/类
public void testBinary() throws IOException, ClassificationException {
File file = new File("src/test/resources/data/SampleData.txt");
FileInputStream fileInputStream = new FileInputStream(file);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
int available;
while ((available = fileInputStream.available()) > 0) {
byte[] data = new byte[available];
fileInputStream.read(data);
byteArrayOutputStream.write(data);
}
fileInputStream.close();
byteArrayOutputStream.close();
Result result = classificationClient.getClassifiedDocument(byteArrayOutputStream.toByteArray(), "SampleData.txt");
assertEquals("Article count", 1, result.getArticles().size());
}
示例5: readFilebyte
import java.io.FileInputStream; //导入方法依赖的package包/类
/**
* 通过完整路径读取文件的字节流 . <br>
* @author liulongzhenhai 2012-8-2 上午8:49:55 <br>
* @param fileFullPath 读取文件路径
* @return 返回整个文件数据 流
*/
public static byte[] readFilebyte(final String fileFullPath) {
final File file = getFileObject(fileFullPath);
if (file != null && file.exists()) {
try {
FileInputStream fis = new FileInputStream(file);
final int readSize = fis.available();
final byte[] buff = new byte[readSize];
fis.read(buff);
fis.close();
fis = null;
return buff;
} catch (final Exception ex) {
throw new RuntimeException(ex);
}
}
return null;
}
示例6: readAidFile
import java.io.FileInputStream; //导入方法依赖的package包/类
public static byte[] readAidFile(String fileName)
{
byte [] buffer = null;
try{
File file = new File(fileName);
if (!file.exists())
{
return null;
}
FileInputStream fis = new FileInputStream(file);
int length = fis.available();
buffer = new byte[length];
fis.read(buffer);
fis.close();
}
catch(Exception e){
e.printStackTrace();
}
return buffer;
}
示例7: get
import java.io.FileInputStream; //导入方法依赖的package包/类
public String get(Cursor cursor) {
//cursor.moveToFirst();
String lookupKey = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY));
Log.d("Vcard lookupKey ", lookupKey);
Uri uri = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_VCARD_URI, lookupKey);
Log.d("Vcard uri ", uri.toString());
AssetFileDescriptor fd;
try {
fd = this.getContentResolver().openAssetFileDescriptor(uri, "r");
// Your Complex Code and you used function without loop so how can you get all Contacts Vcard.??
/* FileInputStream fis = fd.createInputStream();
byte[] buf = new byte[(int) fd.getDeclaredLength()];
fis.read(buf);
String VCard = new String(buf);
String path = Environment.getExternalStorageDirectory().toString() + File.separator + vfile;
FileOutputStream out = new FileOutputStream(path);
out.write(VCard.toString().getBytes());
Log.d("Vcard", VCard);*/
//https://stackoverflow.com/questions/42017591/in-android-7-contentresolvers-method-openassetfiledescriptorvcarduri-r-re
FileInputStream fis = fd.createInputStream();
byte[] buf = new byte[fis.available()];
fis.read(buf);
String vcardstring = new String(buf);
if(mapVcard.containsKey(uri.toString())){
String vv=mapVcard.get(uri.toString());
if(vv.equals(vcardstring)){
Log.d("Vcard lookupKey 重复", lookupKey);
return vv;
}
}
mapVcard.put(uri.toString(),vcardstring);
//log.d("write "+vcardstring);
// FileOutputStream mFileOutputStream = new FileOutputStream(storage_path, true);
mFileOutputStream.write(buf);//vcardstring.toString().getBytes());
return vcardstring;
} catch (Exception e1) {
e1.printStackTrace();
log.e(e1);
}
return "";
}
示例8: testBinary
import java.io.FileInputStream; //导入方法依赖的package包/类
public void testBinary() throws IOException, ClassificationException {
File file = new File("src/test/resources/data/SampleData.txt");
FileInputStream fileInputStream = new FileInputStream(file);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
int available;
while ((available = fileInputStream.available()) > 0) {
byte[] data = new byte[available];
fileInputStream.read(data);
byteArrayOutputStream.write(data);
}
fileInputStream.close();
byteArrayOutputStream.close();
Result result1 = classificationClient.getClassifiedDocument(byteArrayOutputStream.toByteArray(), "SampleData.txt");
assertEquals("Hash 1", "f7be152b1d057570b892dbe3dc39bd70", result1.getHash());
Map<String, Collection<String>> metadata = new HashMap<String, Collection<String>>();
Collection<String> cheeses = new Vector<String>();
cheeses.add("Brie");
cheeses.add("Camenbert");
cheeses.add("Cheddar");
metadata.put("cheeses", cheeses);
Result result2 = classificationClient.getClassifiedDocument(byteArrayOutputStream.toByteArray(), "SampleData.txt", new Title("title"), metadata);
assertEquals("Hash 2", "c723555e774c94d0ead71d5c1cc06efc", result2.getHash());
}
示例9: readFully
import java.io.FileInputStream; //导入方法依赖的package包/类
/**
* A convenience for {@link #openRead()} that also reads all of the
* file contents into a byte array which is returned.
*/
public byte[] readFully() throws IOException {
FileInputStream stream = openRead();
try {
int pos = 0;
int avail = stream.available();
byte[] data = new byte[avail];
while (true) {
int amt = stream.read(data, pos, data.length-pos);
//Log.i("foo", "Read " + amt + " bytes at " + pos
// + " of avail " + data.length);
if (amt <= 0) {
//Log.i("foo", "**** FINISHED READING: pos=" + pos
// + " len=" + data.length);
return data;
}
pos += amt;
avail = stream.available();
if (avail > data.length-pos) {
byte[] newData = new byte[pos+avail];
System.arraycopy(data, 0, newData, 0, pos);
data = newData;
}
}
} finally {
stream.close();
}
}
示例10: getDocument
import java.io.FileInputStream; //导入方法依赖的package包/类
private Document getDocument(FileObject fo){
Document result = null;
if (documentPooling) {
result = documentPool().get(fo);
}
if (result != null) return result;
try {
File file = FileUtil.toFile(fo);
FileInputStream fis = new FileInputStream(file);
byte buffer[] = new byte[fis.available()];
result = new org.netbeans.editor.BaseDocument(
org.netbeans.modules.xml.text.syntax.XMLKit.class, false);
result.remove(0, result.getLength());
fis.read(buffer);
fis.close();
String str = new String(buffer);
result.insertString(0,str,null);
} catch (Exception dObjEx) {
return null;
}
if (documentPooling) {
documentPool().put(fo, result);
}
return result;
}
示例11: testBinary
import java.io.FileInputStream; //导入方法依赖的package包/类
public void testBinary() throws IOException, ClassificationException {
URL log4jXmlUrl = ClassLoader.getSystemResource("log4j.xml");
if (log4jXmlUrl != null) System.out.println(log4jXmlUrl.toExternalForm());
File file = new File("src/test/resources/data/SampleData.txt");
FileInputStream fileInputStream = new FileInputStream(file);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
int available;
while ((available = fileInputStream.available()) > 0) {
byte[] data = new byte[available];
fileInputStream.read(data);
byteArrayOutputStream.write(data);
}
fileInputStream.close();
byteArrayOutputStream.close();
classificationClient.getClassificationConfiguration().setConnectionTimeoutMS(0);
classificationClient.getClassificationConfiguration().setSocketTimeoutMS(0);
try {
Date startDate = new Date();
classificationClient.getClassifiedDocument(byteArrayOutputStream.toByteArray(), "SampleData.txt");
Date endDate = new Date();
assertTrue("Classification took too long: " + (endDate.getTime() - startDate.getTime()) + "ms", (endDate.getTime() - startDate.getTime()) < 100000);
} catch (Exception e) {
fail("ClassifyLargeTest failure: " + e.getMessage());
}
}
示例12: file2Byte
import java.io.FileInputStream; //导入方法依赖的package包/类
/**
* file转byte
* @param file 文件名
* @return byte文件
* @throws Exception 文件为空
*/
public static byte[] file2Byte(File file) throws Exception {
FileInputStream fileInputStream = new FileInputStream(file);
byte[] data = new byte[fileInputStream.available()];
fileInputStream.read(data);
fileInputStream.close();
return data;
}
示例13: getClassFileBytes
import java.io.FileInputStream; //导入方法依赖的package包/类
protected byte[] getClassFileBytes(String className)
{
byte result[] = null;
if(m_bCanLoadClass)
{
String clpack = className.replace('.', '/') ;
for(int n=0; n<m_arrPaths.size(); n++)
{
String csPath = m_arrPaths.get(n);
try
{
FileInputStream fi = new FileInputStream(csPath + clpack + ".class");
result = new byte[fi.available()];
fi.read(result);
fi.close() ;
return result;
}
catch (Exception e)
{
}
}
}
if(m_bCanLoadJar && m_jarEntries != null)
{
result = m_jarEntries.loadJarEntry(className);
}
return result;
}
示例14: getSize
import java.io.FileInputStream; //导入方法依赖的package包/类
public static int getSize(File file) {
int filesize = -1;
boolean stream = false;
try {
FileInputStream fis = new FileInputStream(file);
filesize = fis.available();
filesize /= 1024;
fis.close();
} catch (Exception e) { e.printStackTrace(); }
return filesize;
}
示例15: open
import java.io.FileInputStream; //导入方法依赖的package包/类
@Override
public long open(DataSpec dataSpec) throws ContentDataSourceException {
try {
uriString = dataSpec.uri.toString();
AssetFileDescriptor assetFd = resolver.openAssetFileDescriptor(dataSpec.uri, "r");
inputStream = new FileInputStream(assetFd.getFileDescriptor());
long skipped = inputStream.skip(dataSpec.position);
if (skipped < dataSpec.position) {
// We expect the skip to be satisfied in full. If it isn't then we're probably trying to
// skip beyond the end of the data.
throw new EOFException();
}
if (dataSpec.length != C.LENGTH_UNBOUNDED) {
bytesRemaining = dataSpec.length;
} else {
bytesRemaining = inputStream.available();
if (bytesRemaining == 0) {
// FileInputStream.available() returns 0 if the remaining length cannot be determined, or
// if it's greater than Integer.MAX_VALUE. We don't know the true length in either case,
// so treat as unbounded.
bytesRemaining = C.LENGTH_UNBOUNDED;
}
}
} catch (IOException e) {
throw new ContentDataSourceException(e);
}
opened = true;
if (listener != null) {
listener.onTransferStart();
}
return bytesRemaining;
}