Java-如何编码MAC解码字体信息
我正在尝试使用MAC从剪贴板获取字体信息。下面是从剪贴板获取值的代码 代码Java-如何编码MAC解码字体信息,java,macos,clipboard,encode,checkstyle,Java,Macos,Clipboard,Encode,Checkstyle,我正在尝试使用MAC从剪贴板获取字体信息。下面是从剪贴板获取值的代码 代码 Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); Transferable contents = clipboard.getContents(null); DataFlavor dfRTF = new DataFlavor("text/rtf", "Rich Formatted Text"); DataFlavor dfTxt
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
Transferable contents = clipboard.getContents(null);
DataFlavor dfRTF = new DataFlavor("text/rtf", "Rich Formatted Text");
DataFlavor dfTxt = DataFlavor.stringFlavor;
boolean hasTransferableRTFText = (contents != null)
&& contents.isDataFlavorSupported(dfRTF);
boolean hasTransferableTxtText = (contents != null)
&& contents.isDataFlavorSupported(dfTxt);
if (hasTransferableRTFText) {
try {
result = streamToString((InputStream)contents.getTransferData(dfRTF));
System.out.println("dfRTF "+result);
} catch (Exception ex) {
ex.printStackTrace();
}
} else if (hasTransferableTxtText) {
try {
result = (String)contents.getTransferData(dfTxt);
System.out.println("dfTxt "+result);
} catch (Exception ex) {
ex.printStackTrace();
}
}
代码返回的解码值如下所示:
dfRTF {\rtf1\ansi\ansicpg1252\cocoartf1038\cocoasubrtf360
{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
{\colortbl;\red255\green255\blue255;}
\pard\tx566\tx1133\tx1700\tx2267\tx2834\tx3401\tx3968\tx4535\tx5102\tx5669\tx6236\tx6803\ql\qnatural\pardirnatural
\f0\b\fs24 \cf0 Hello WORLD}
{\rtf1\ansi\ansicpg1252\cocoartf1038\cocoasubrtf360
{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
{\colortbl;\red255\green255\blue255;}
\pard\tx566\tx1133\tx1700\tx2267\tx2834\tx3401\tx3968\tx4535\tx5102\tx5669\tx6236\tx6803\ql\qnatural\pardirnatural
\f0\b\fs24 \cf0 Hello WORLD}
我知道\f0\b\fs24\cf0 Hello WORLD}
包含字体信息,其中\b
表示其粗体
如何对其进行编码以获得特定值,例如,我想知道它是粗体还是否。请给出建议。如果我不清楚您需要什么,您可以尝试将其转换为html,并使用类似jsoup的库提取所需信息 下面是提取剪贴板中第一个粗体文本的示例
package rtfTest;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import javax.swing.JEditorPane;
import javax.swing.text.BadLocationException;
import javax.swing.text.EditorKit;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
public class TestRtf{
public static void main (String[] args) {
TestRtf t = new TestRtf();
t.readClipboard() ;
}
@SuppressWarnings("resource")
static String streamToString(java.io.InputStream is) {
java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A");
return s.hasNext() ? s.next() : "";
}
public static String rtfToHtml(Reader rtf) throws IOException { // From http://www.codeproject.com/Tips/136483/Java-How-to-convert-RTF-into-HTML
JEditorPane p = new JEditorPane();
p.setContentType("text/rtf");
EditorKit kitRtf = p.getEditorKitForContentType("text/rtf");
try {
kitRtf.read(rtf, p.getDocument(), 0);
kitRtf = null;
EditorKit kitHtml = p.getEditorKitForContentType("text/html");
Writer writer = new StringWriter();
kitHtml.write(writer, p.getDocument(), 0, p.getDocument().getLength());
return writer.toString();
} catch (BadLocationException e) {
e.printStackTrace();
}
return null;
}
public void readClipboard () {
String result;
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
Transferable contents = clipboard.getContents(null);
DataFlavor dfRTF = new DataFlavor("text/rtf", "Rich Formatted Text");
DataFlavor dfTxt = DataFlavor.stringFlavor;
boolean hasTransferableRTFText = (contents != null)
&& contents.isDataFlavorSupported(dfRTF);
boolean hasTransferableTxtText = (contents != null)
&& contents.isDataFlavorSupported(dfTxt);
if (hasTransferableRTFText) {
try {
// result = streamToString((InputStream)contents.getTransferData(dfRTF));
// Convert rtf to html
result = rtfToHtml(new StringReader(streamToString((InputStream)contents.getTransferData(dfRTF))));
// Example of text extraction from html
// Parse html
Document doc = Jsoup.parse(result);
// Select first bold text
Element firstBoldElt = doc.select("b").first();
String firstBoldText = firstBoldElt.text();
System.out.println(firstBoldText);
} catch (Exception ex) {
ex.printStackTrace();
}
} else if (hasTransferableTxtText) {
try {
result = (String)contents.getTransferData(dfTxt);
System.out.println("dfTxt "+ result);
} catch (Exception ex) {
ex.printStackTrace();
}
}}}
要标识全部粗体元素,可以使用doc.outerHtml()方法,该方法返回整个html 假设在我的剪贴板中有如下复制数据 粗体1 粗体2 黑体字3 Bold4 现在,当您使用doc.outerHtml()时,您将得到以下响应
<html><head><style><!--p.DefaultaParagraphaFont {bold:normal;italic:;underline:;}--></style></head><body><p class="default"> <span style="color: #000000; font-size: 11pt; font-family: Calibri"> <b>Bold1</b> </span> </p> <p class="default"> <span style="color: #000000; font-size: 11pt; font-family: Calibri"> <b>Bold2</b> </span> </p> <p class="default"> <span style="color: #000000; font-size: 11pt; font-family: Calibri"> Bold3 </span> </p> <p class="default"> <span style="color: #000000; font-size: 11pt; font-family: Calibri"> <b>Bold4</b> </span> </p></body></html>
Bold1
Bold2
Bold3
Bold4
因此,现在您只需要为读取粗体元素添加一些解析逻辑。知道如何循环
文档doc=Jsoup.parse(result)代码>。我如何检查整个元素的粗体而不是第一个粗体文本?我需要java代码,因为我使用java swing进行开发。我是怎么从@fazerty那里得到暗示的。谢谢