cmscopy.java

cms是开源的框架

            retValue.append(key(Messages.GUI_CREATE_SIBLING_0));
            retValue.append("<br>\n");
            retValue.append("<input type=\"radio\" name=\"copymode\" value=\"");
            retValue.append(CmsResource.COPY_AS_NEW);
            retValue.append("\"");
            if (defaultMode == CmsResource.COPY_AS_NEW) {
                retValue.append(checkedAttr);
            }
            retValue.append("> ");
            retValue.append(key(Messages.GUI_COPY_AS_NEW_0));
            retValue.append("<br>\n");
        }

        return retValue.toString();
    }

    /**
     * Returns the value of the copymode parameter.<p>
     * 
     * @return the value of the copymode parameter
     */
    public String getParamCopymode() {

        return m_paramCopymode;
    }

    /**
     * Returns the value of the keeprights parameter.<p>
     * 
     * @return the value of the keeprights parameter
     */
    public String getParamKeeprights() {

        return m_paramKeeprights;
    }

    /**
     * Returns the value of the overwrite parameter.<p>
     * 
     * @return the value of the overwrite parameter
     */
    public String getParamOverwrite() {

        return m_paramOverwrite;
    }

    /**
     * Returns the value of the target parameter, 
     * or null if this parameter was not provided.<p>
     * 
     * The target parameter selects the target name 
     * of the operation.<p>
     * 
     * @return the value of the target parameter
     */
    public String getParamTarget() {

        return m_paramTarget;
    }

    /**
     * Sets the value of the copymode parameter.<p>
     * 
     * @param value the value of the copymode parameter
     */
    public void setParamCopymode(String value) {

        m_paramCopymode = value;
    }

    /**
     * Sets the value of the "keeprights" parameter.<p>
     * 
     * @param value the value of the "keeprights" parameter
     */
    public void setParamKeeprights(String value) {

        m_paramKeeprights = value;
    }

    /**
     * Sets the value of the overwrite parameter.<p>
     * 
     * @param paramOverwrite the value of the overwrite parameter
     */
    public void setParamOverwrite(String paramOverwrite) {

        m_paramOverwrite = paramOverwrite;
    }

    /**
     * Sets the value of the target parameter.<p>
     * 
     * @param value the value to set
     */
    public void setParamTarget(String value) {

        m_paramTarget = value;
    }

    /**
     * @see org.opencms.workplace.CmsWorkplace#initWorkplaceRequestValues(org.opencms.workplace.CmsWorkplaceSettings, javax.servlet.http.HttpServletRequest)
     */
    protected void initWorkplaceRequestValues(CmsWorkplaceSettings settings, HttpServletRequest request) {

        // fill the parameter values in the get/set methods
        fillParamValues(request);

        // check the required permissions to copy the resource       
        if (! checkResourcePermissions(CmsPermissionSet.ACCESS_WRITE, false)) {
            // no write permissions for the resource, set cancel action to close dialog
            setParamAction(DIALOG_CANCEL);
        }

        // set the dialog type
        setParamDialogtype(DIALOG_TYPE);
        // set the action for the JSP switch 
        if (DIALOG_TYPE.equals(getParamAction())) {
            setAction(ACTION_COPY);
        } else if (DIALOG_CONFIRMED.equals(getParamAction())) {
            setAction(ACTION_CONFIRMED);
        } else if (DIALOG_WAIT.equals(getParamAction())) {
            setAction(ACTION_WAIT);
        } else if (DIALOG_CANCEL.equals(getParamAction())) {
            setAction(ACTION_CANCEL);
        } else {
            setAction(ACTION_DEFAULT);
            // build title for copy dialog
            setDialogTitle(Messages.GUI_COPY_RESOURCE_1, Messages.GUI_COPY_MULTI_2);
        }
    }

    /**
     * Performs the resource copying.<p>
     * 
     * @return true, if the resource was copied, otherwise false
     * @throws CmsException if copying is not successful
     */
    protected boolean performDialogOperation() throws CmsException {

        // check if the current resource is a folder for single operation
        boolean isFolder = isOperationOnFolder();

        // on folder copy display "please wait" screen, not for simple file copy
        if ((isMultiOperation() || isFolder) && !DIALOG_WAIT.equals(getParamAction())) {
            // return false, this will trigger the "please wait" screen
            return false;
        }

        // get the copy mode from request parameter value
        int copyMode = CmsResource.COPY_PRESERVE_SIBLING;
        try {
            copyMode = Integer.parseInt(getParamCopymode());
        } catch (Exception e) {
            // can usually be ignored
            if (LOG.isInfoEnabled()) {
                LOG.info(e.getLocalizedMessage());
            }
        }

        // check the overwrite options
        boolean overwrite = Boolean.valueOf(getParamOverwrite()).booleanValue();
        overwrite = ((isMultiOperation() && overwrite) || DIALOG_CONFIRMED.equals(getParamAction()));

        // calculate the target name
        String target = getParamTarget();
        if (target == null) {
            target = "";
        }

        boolean restoreSiteRoot = false;
        try {
            // check if a site root was added to the target name
            String sitePrefix = "";
            if (CmsSiteManager.getSiteRoot(target) != null) {
                String siteRootFolder = getCms().getRequestContext().getSiteRoot();
                if (siteRootFolder.endsWith("/")) {
                    siteRootFolder = siteRootFolder.substring(0, siteRootFolder.length() - 1);
                }
                sitePrefix = siteRootFolder;
                getCms().getRequestContext().saveSiteRoot();
                getCms().getRequestContext().setSiteRoot("/");
                restoreSiteRoot = true;
            }

            Iterator i = getResourceList().iterator();
            // iterate the resources to copy
            while (i.hasNext()) {
                String resName = (String)i.next();
                try {
                    performSingleCopyOperation(resName, target, sitePrefix, copyMode, overwrite);
                } catch (CmsException e) {
                    if (isMultiOperation()) {
                        // collect exceptions to create a detailed output
                        addMultiOperationException(e);
                    } else {
                        // for single operation, throw the exception immediately
                        throw e;
                    }
                }
            }
            // check if exceptions occured
            checkMultiOperationException(Messages.get(), Messages.ERR_COPY_MULTI_0);
        } finally {
            // restore the site root
            if (restoreSiteRoot) {
                getCms().getRequestContext().restoreSiteRoot();
            }
        }
        return true;
    }

    /**
     * Performs the copy operation for a single VFS resource.<p>
     * 
     * @param source the source VFS path
     * @param target the target VFS path
     * @param sitePrefix the site prefix
     * @param copyMode the copy mode for siblings
     * @param overwrite the overwrite flag
     * @throws CmsException if copying the resource fails
     */
    protected void performSingleCopyOperation(
        String source,
        String target,
        String sitePrefix,
        int copyMode,
        boolean overwrite) throws CmsException {

        // calculate the target name
        target = CmsLinkManager.getAbsoluteUri(target, CmsResource.getParentFolder(source));

        if (target.equals(source) || (isMultiOperation() && target.startsWith(source))) {
            throw new CmsVfsException(Messages.get().container(Messages.ERR_COPY_ONTO_ITSELF_1, target));
        }

        try {
            CmsResource res = getCms().readResource(target, CmsResourceFilter.ALL);
            if (res.isFolder()) {
                // target folder already exists, so we add the current folder name
                if (! target.endsWith("/")) {
                    target += "/";
                }
                target = target + CmsResource.getName(source);
            }
        } catch (CmsVfsResourceNotFoundException e) {
            // target folder does not already exist, so target name is o.k.
            if (LOG.isInfoEnabled()) {
                LOG.info(e.getLocalizedMessage());
            }
        }

        // set the target parameter value
        setParamTarget(target);

        // delete existing target resource if selected or confirmed by the user
        if (overwrite && getCms().existsResource(target)) {
            checkLock(target);
            getCms().deleteResource(target, CmsResource.DELETE_PRESERVE_SIBLINGS);
        }

        // copy the resource       
        getCms().copyResource(sitePrefix + source, target, copyMode);
    }
}