org.mycore.common.content.MCRStringContent Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MyCoRe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.common.content;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import org.mycore.common.MCRConstants;
/**
* Reads MCRContent from a String's text.
*
* @author Frank L\u00FCtzenkichen
*/
public class MCRStringContent extends MCRContent {
private String text;
private byte[] bytes;
/**
* Reads content from the given string,
*/
public MCRStringContent(String text) {
this.text = text;
try {
setEncoding(MCRConstants.DEFAULT_ENCODING);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
/**
* Sets the character encoding to use when transforming the text to a byte stream.
* By default, this is {@link MCRConstants#DEFAULT_ENCODING}.
*/
@Override
public void setEncoding(String encoding) throws UnsupportedEncodingException {
super.setEncoding(encoding);
this.bytes = asByteArray();
}
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(asByteArray());
}
@Override
public byte[] asByteArray() throws UnsupportedEncodingException {
return text.getBytes(encoding);
}
public String asString() {
return text;
}
@Override
public long length() throws IOException {
return bytes.length;
}
@Override
public long lastModified() throws IOException {
return -1;
}
@Override
public String getETag() throws IOException {
String eTag = getSimpleWeakETag(getSystemId(), length(), lastModified());
return eTag == null ? null : eTag.substring(2);
}
}