打开本地所有类型文件工具类

来源：互联网发布：网络钟点工陪人聊天编辑：程序博客网时间：2024/06/06 00:08

OpenFileUtils类

import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.util.HashMap;import java.util.Map;import java.util.Properties;public final class OpenFileUtils {    private static final Map<String, String> mimeTypeToExtensionMap = new HashMap<String, String>();    private static final Map<String, String> extensionToMimeTypeMap = new HashMap<String, String>();    static {        add("application/andrew-inset", "ez");        add("application/dsptype", "tsp");        add("application/futuresplash", "spl");        add("application/hta", "hta");        add("application/mac-binhex40", "hqx");        add("application/mac-compactpro", "cpt");        add("application/mathematica", "nb");        add("application/msaccess", "mdb");        add("application/oda", "oda");        add("application/ogg", "ogg");        add("application/pdf", "pdf");        add("application/pgp-keys", "key");        add("application/pgp-signature", "pgp");        add("application/pics-rules", "prf");        add("application/rar", "rar");        add("application/rdf+xml", "rdf");        add("application/rss+xml", "rss");        add("application/zip", "zip");        add("application/vnd.android.package-archive", "apk");        add("application/vnd.cinderella", "cdy");        add("application/vnd.ms-pki.stl", "stl");        add("application/vnd.oasis.opendocument.database", "odb");        add("application/vnd.oasis.opendocument.formula", "odf");        add("application/vnd.oasis.opendocument.graphics", "odg");        add("application/vnd.oasis.opendocument.graphics-template", "otg");        add("application/vnd.oasis.opendocument.image", "odi");        add("application/vnd.oasis.opendocument.spreadsheet", "ods");        add("application/vnd.oasis.opendocument.spreadsheet-template", "ots");        add("application/vnd.oasis.opendocument.text", "odt");        add("application/vnd.oasis.opendocument.text-master", "odm");        add("application/vnd.oasis.opendocument.text-template", "ott");        add("application/vnd.oasis.opendocument.text-web", "oth");        add("application/vnd.google-earth.kml+xml", "kml");        add("application/vnd.google-earth.kmz", "kmz");        add("application/msword", "doc");        add("application/msword", "dot");        add("application/vnd.openxmlformats-officedocument.wordprocessingml.document", "docx");        add("application/vnd.openxmlformats-officedocument.wordprocessingml.template", "dotx");        add("application/vnd.ms-excel", "xls");        add("application/vnd.ms-excel", "xlt");        add("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "xlsx");        add("application/vnd.openxmlformats-officedocument.spreadsheetml.template", "xltx");        add("application/vnd.ms-powerpoint", "ppt");        add("application/vnd.ms-powerpoint", "pot");        add("application/vnd.ms-powerpoint", "pps");        add("application/vnd.openxmlformats-officedocument.presentationml.presentation", "pptx");        add("application/vnd.openxmlformats-officedocument.presentationml.template", "potx");        add("application/vnd.openxmlformats-officedocument.presentationml.slideshow", "ppsx");        add("application/vnd.rim.cod", "cod");        add("application/vnd.smaf", "mmf");        add("application/vnd.stardivision.calc", "sdc");        add("application/vnd.stardivision.draw", "sda");        add("application/vnd.stardivision.impress", "sdd");        add("application/vnd.stardivision.impress", "sdp");        add("application/vnd.stardivision.math", "smf");        add("application/vnd.stardivision.writer", "sdw");        add("application/vnd.stardivision.writer", "vor");        add("application/vnd.stardivision.writer-global", "sgl");        add("application/vnd.sun.xml.calc", "sxc");        add("application/vnd.sun.xml.calc.template", "stc");        add("application/vnd.sun.xml.draw", "sxd");        add("application/vnd.sun.xml.draw.template", "std");        add("application/vnd.sun.xml.impress", "sxi");        add("application/vnd.sun.xml.impress.template", "sti");        add("application/vnd.sun.xml.math", "sxm");        add("application/vnd.sun.xml.writer", "sxw");        add("application/vnd.sun.xml.writer.global", "sxg");        add("application/vnd.sun.xml.writer.template", "stw");        add("application/vnd.visio", "vsd");        add("application/x-abiword", "abw");        add("application/x-apple-diskimage", "dmg");        add("application/x-bcpio", "bcpio");        add("application/x-bittorrent", "torrent");        add("application/x-cdf", "cdf");        add("application/x-cdlink", "vcd");        add("application/x-chess-pgn", "pgn");        add("application/x-cpio", "cpio");        add("application/x-debian-package", "deb");        add("application/x-debian-package", "udeb");        add("application/x-director", "dcr");        add("application/x-director", "dir");        add("application/x-director", "dxr");        add("application/x-dms", "dms");        add("application/x-doom", "wad");        add("application/x-dvi", "dvi");        add("application/x-flac", "flac");        add("application/x-font", "pfa");        add("application/x-font", "pfb");        add("application/x-font", "gsf");        add("application/x-font", "pcf");        add("application/x-font", "pcf.Z");        add("application/x-freemind", "mm");        add("application/x-futuresplash", "spl");        add("application/x-gnumeric", "gnumeric");        add("application/x-go-sgf", "sgf");        add("application/x-graphing-calculator", "gcf");        add("application/x-gtar", "gtar");        add("application/x-gtar", "tgz");        add("application/x-gtar", "taz");        add("application/x-hdf", "hdf");        add("application/x-ica", "ica");        add("application/x-internet-signup", "ins");        add("application/x-internet-signup", "isp");        add("application/x-iphone", "iii");        add("application/x-iso9660-image", "iso");        add("application/x-jmol", "jmz");        add("application/x-kchart", "chrt");        add("application/x-killustrator", "kil");        add("application/x-koan", "skp");        add("application/x-koan", "skd");        add("application/x-koan", "skt");        add("application/x-koan", "skm");        add("application/x-kpresenter", "kpr");        add("application/x-kpresenter", "kpt");        add("application/x-kspread", "ksp");        add("application/x-kword", "kwd");        add("application/x-kword", "kwt");        add("application/x-latex", "latex");        add("application/x-lha", "lha");        add("application/x-lzh", "lzh");        add("application/x-lzx", "lzx");        add("application/x-maker", "frm");        add("application/x-maker", "maker");        add("application/x-maker", "frame");        add("application/x-maker", "fb");        add("application/x-maker", "book");        add("application/x-maker", "fbdoc");        add("application/x-mif", "mif");        add("application/x-ms-wmd", "wmd");        add("application/x-ms-wmz", "wmz");        add("application/x-msi", "msi");        add("application/x-ns-proxy-autoconfig", "pac");        add("application/x-nwc", "nwc");        add("application/x-object", "o");        add("application/x-oz-application", "oza");        add("application/x-pkcs12", "p12");        add("application/x-pkcs7-certreqresp", "p7r");        add("application/x-pkcs7-crl", "crl");        add("application/x-quicktimeplayer", "qtl");        add("application/x-shar", "shar");        add("application/x-shockwave-flash", "swf");        add("application/x-stuffit", "sit");        add("application/x-sv4cpio", "sv4cpio");        add("application/x-sv4crc", "sv4crc");        add("application/x-tar", "tar");        add("application/x-texinfo", "texinfo");        add("application/x-texinfo", "texi");        add("application/x-troff", "t");        add("application/x-troff", "roff");        add("application/x-troff-man", "man");        add("application/x-ustar", "ustar");        add("application/x-wais-source", "src");        add("application/x-wingz", "wz");        add("application/x-webarchive", "webarchive");        add("application/x-webarchive-xml", "webarchivexml");        add("application/x-x509-ca-cert", "crt");        add("application/x-x509-user-cert", "crt");        add("application/x-xcf", "xcf");        add("application/x-xfig", "fig");        add("application/xhtml+xml", "xhtml");        add("audio/3gpp", "3gpp");        add("audio/amr", "amr");        add("audio/basic", "snd");        add("audio/midi", "mid");        add("audio/midi", "midi");        add("audio/midi", "kar");        add("audio/midi", "xmf");        add("audio/mobile-xmf", "mxmf");        add("audio/mpeg", "mpga");        add("audio/mpeg", "mpega");        add("audio/mpeg", "mp2");        add("audio/mpeg", "mp3");        add("audio/mpeg", "m4a");        add("audio/mpegurl", "m3u");        add("audio/prs.sid", "sid");        add("audio/x-aiff", "aif");        add("audio/x-aiff", "aiff");        add("audio/x-aiff", "aifc");        add("audio/x-gsm", "gsm");        add("audio/x-mpegurl", "m3u");        add("audio/x-ms-wma", "wma");        add("audio/x-ms-wax", "wax");        add("audio/x-pn-realaudio", "ra");        add("audio/x-pn-realaudio", "rm");        add("audio/x-pn-realaudio", "ram");        add("audio/x-realaudio", "ra");        add("audio/x-scpls", "pls");        add("audio/x-sd2", "sd2");        add("audio/x-wav", "wav");        add("image/bmp", "bmp");        add("audio/x-qcp", "qcp");        add("image/gif", "gif");        add("image/ico", "cur");        add("image/ico", "ico");        add("image/ief", "ief");        add("image/jpeg", "jpeg");        add("image/jpeg", "jpg");        add("image/jpeg", "jpe");        add("image/pcx", "pcx");        add("image/png", "png");        add("image/svg+xml", "svg");        add("image/svg+xml", "svgz");        add("image/tiff", "tiff");        add("image/tiff", "tif");        add("image/vnd.djvu", "djvu");        add("image/vnd.djvu", "djv");        add("image/vnd.wap.wbmp", "wbmp");        add("image/x-cmu-raster", "ras");        add("image/x-coreldraw", "cdr");        add("image/x-coreldrawpattern", "pat");        add("image/x-coreldrawtemplate", "cdt");        add("image/x-corelphotopaint", "cpt");        add("image/x-icon", "ico");        add("image/x-jg", "art");        add("image/x-jng", "jng");        add("image/x-ms-bmp", "bmp");        add("image/x-photoshop", "psd");        add("image/x-portable-anymap", "pnm");        add("image/x-portable-bitmap", "pbm");        add("image/x-portable-graymap", "pgm");        add("image/x-portable-pixmap", "ppm");        add("image/x-rgb", "rgb");        add("image/x-xbitmap", "xbm");        add("image/x-xpixmap", "xpm");        add("image/x-xwindowdump", "xwd");        add("model/iges", "igs");        add("model/iges", "iges");        add("model/mesh", "msh");        add("model/mesh", "mesh");        add("model/mesh", "silo");        add("text/calendar", "ics");        add("text/calendar", "icz");        add("text/comma-separated-values", "csv");        add("text/css", "css");        add("text/html", "htm");        add("text/html", "html");        add("text/h323", "323");        add("text/iuls", "uls");        add("text/mathml", "mml");        add("text/plain", "txt");        add("text/plain", "asc");        add("text/plain", "text");        add("text/plain", "diff");        add("text/plain", "po");        add("text/richtext", "rtx");        add("text/rtf", "rtf");        add("text/texmacs", "ts");        add("text/text", "phps");        add("text/tab-separated-values", "tsv");        add("text/xml", "xml");        add("text/x-bibtex", "bib");        add("text/x-boo", "boo");        add("text/x-c++hdr", "h++");        add("text/x-c++hdr", "hpp");        add("text/x-c++hdr", "hxx");        add("text/x-c++hdr", "hh");        add("text/x-c++src", "c++");        add("text/x-c++src", "cpp");        add("text/x-c++src", "cxx");        add("text/x-chdr", "h");        add("text/x-component", "htc");        add("text/x-csh", "csh");        add("text/x-csrc", "c");        add("text/x-dsrc", "d");        add("text/x-haskell", "hs");        add("text/x-java", "java");        add("text/x-literate-haskell", "lhs");        add("text/x-moc", "moc");        add("text/x-pascal", "p");        add("text/x-pascal", "pas");        add("text/x-pcs-gcd", "gcd");        add("text/x-setext", "etx");        add("text/x-tcl", "tcl");        add("text/x-tex", "tex");        add("text/x-tex", "ltx");        add("text/x-tex", "sty");        add("text/x-tex", "cls");        add("text/x-vcalendar", "vcs");        add("text/x-vcard", "vcf");        add("video/3gpp", "3gpp");        add("video/3gpp", "3gp");        add("video/3gpp", "3g2");        add("video/dl", "dl");        add("video/dv", "dif");        add("video/dv", "dv");        add("video/fli", "fli");        add("video/m4v", "m4v");        add("video/mpeg", "mpeg");        add("video/mpeg", "mpg");        add("video/mpeg", "mpe");        add("video/mp4", "mp4");        add("video/mpeg", "VOB");        add("video/quicktime", "qt");        add("video/quicktime", "mov");        add("video/vnd.mpegurl", "mxu");        add("video/webm", "webm");        add("video/x-la-asf", "lsf");        add("video/x-la-asf", "lsx");        add("video/x-mng", "mng");        add("video/x-ms-asf", "asf");        add("video/x-ms-asf", "asx");        add("video/x-ms-wm", "wm");        add("video/x-ms-wmv", "wmv");        add("video/x-ms-wmx", "wmx");        add("video/x-ms-wvx", "wvx");        add("video/x-msvideo", "avi");        add("video/x-sgi-movie", "movie");        add("x-conference/x-cooltalk", "ice");        add("x-epoc/x-sisx-app", "sisx");        applyOverrides();    }    private static void add(String mimeType, String extension) {        if (!mimeTypeToExtensionMap.containsKey(mimeType)) {            mimeTypeToExtensionMap.put(mimeType, extension);        }        extensionToMimeTypeMap.put(extension, mimeType);    }    private static InputStream getContentTypesPropertiesStream() {        // User override?        String userTable = System.getProperty("content.types.user.table");        if (userTable != null) {            File f = new File(userTable);            if (f.exists()) {                try {                    return new FileInputStream(f);                } catch (IOException ignored) {                }            }        }        // Standard location?        File f = new File(System.getProperty("java.home"), "lib" + File.separator + "content-types.properties");        if (f.exists()) {            try {                return new FileInputStream(f);            } catch (IOException ignored) {            }        }        return null;    }    private static void applyOverrides() {        InputStream stream = getContentTypesPropertiesStream();        if (stream == null) {            return;        }        try {            try {                Properties overrides = new Properties();                overrides.load(stream);                for (Map.Entry<Object, Object> entry : overrides.entrySet()) {                    String extension = (String) entry.getKey();                    String mimeType = (String) entry.getValue();                    add(mimeType, extension);                }            } finally {                stream.close();            }        } catch (IOException ignored) {        }    }    private OpenFileUtils() {    }    public static boolean hasMimeType(String mimeType) {        if (mimeType == null || mimeType.isEmpty()) {            return false;        }        return mimeTypeToExtensionMap.containsKey(mimeType);    }    public static String guessMimeTypeFromExtension(String extension) {        if (extension == null || extension.isEmpty()) {            return null;        }        return extensionToMimeTypeMap.get(extension);    }    public static boolean hasExtension(String extension) {        if (extension == null || extension.isEmpty()) {            return false;        }        return extensionToMimeTypeMap.containsKey(extension);    }    public static String guessExtensionFromMimeType(String mimeType) {        if (mimeType == null || mimeType.isEmpty()) {            return null;        }        return mimeTypeToExtensionMap.get(mimeType);    }}

OpenFileBuilder类
import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.net.Uri;import android.text.TextUtils;import android.util.Log;import com.js.phoneforplatform.R;import java.io.File;public class OpenFileBuilder {    public static void viewFile(final Context context, final String filePath) {        String type = getMimeType(filePath);        if (!TextUtils.isEmpty(type) && !TextUtils.equals(type, "*/*")) {            /* 设置intent的file与MimeType */            Intent intent = new Intent();            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);            intent.setAction(Intent.ACTION_VIEW);            intent.setDataAndType(Uri.fromFile(new File(filePath)), type);            context.startActivity(intent);        } else {            // unknown MimeType            Log.i("lei", "le");            AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context);            dialogBuilder.setTitle(R.string.dialog_select_type);             CharSequence[] menuItemArray = new CharSequence[] {             context.getString(R.string.dialog_type_text),             context.getString(R.string.dialog_type_audio),             context.getString(R.string.dialog_type_video),             context.getString(R.string.dialog_type_image) };            dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {                @Override                public void onClick(DialogInterface dialog, int which) {                    String selectType = "*/*";                    switch (which) {                        case 0:                            selectType = "text/plain";                            break;                        case 1:                            selectType = "audio/*";                            break;                        case 2:                            selectType = "video/*";                            break;                        case 3:                            selectType = "image/*";                            break;                    }                    Intent intent = new Intent();                    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);                    intent.setAction(Intent.ACTION_VIEW);                    intent.setDataAndType(Uri.fromFile(new File(filePath)), selectType);                    context.startActivity(intent);                }            });            dialogBuilder.show();        }    }    private static String getMimeType(String filePath) {        int dotPosition = filePath.lastIndexOf('.');        if (dotPosition == -1)            return "*/*";        String ext = filePath.substring(dotPosition + 1, filePath.length()).toLowerCase();        String mimeType = OpenFileUtils.guessMimeTypeFromExtension(ext);        if (ext.equals("mtz")) {            mimeType = "application/miui-mtz";        }        return mimeType != null ? mimeType : "*/*";    }}

调用方法
  OpenFileBuilder.viewFile(this, filepath);

0 0